Jason Beghe stars as Sergeant Hank Voight, leader of the Chicago PD Intelligence Unit in the NBC drama “Chicago P.D.”

Beghe attended the Collegiate School in New York City, where he became best friends with John F. Kennedy, Jr. and David Duchovny.

He played a quadriplegic in the 1988 George A. Romero film “Monkey Shines: An Experiment in Fear.” He later appeared as a police officer in the film “Thelma & Louise” and played Demi Moore’s love interest in “G.I. Jane.” Other feature-film credits include “X-Men: First Class,” “The Next Three Days,” “One Missed Call” and “Atlas Shrugged: Part II.”

On television, Beghe’s recurring roles include “Chicago Fire” and “Californication.” He has guest starred on countless series, including “Castle,” “NCIS,” “CSI: New York,” “Criminal Minds,” “The Finder,” “Prime Suspect,” “Law & Order: Los Angeles,” “Picket Fences,” “Chicago Hope,” “American Dreams” and “Cane.”

Beghe is married and lives in Los Angeles.

Jon Seda stars as honest detective, Antonio Dawson, in the Intelligence Unit in the NBC drama "Chicago P.D."

Seda, a New Jersey native and amateur boxer, hung up his gloves in 1992 when he made his screen debut as a fighter in “Gladiator.” Throughout the ’90s, Seda’s star rose through the films "Carlito’s Way" and "Twelve Monkeys," though it wasn’t until NBC’s “Homicide: Life on the Street” that Hollywood took serious notice.

In 1996 Seda received critical acclaim for his role in the film “The Sunchaser” opposite Woody Harrelson at the Cannes Film Festival. Seda played the love interest to Jennifer Lopez in the film “Selena,” based on the true story.

His television credits include series regular roles on “Kevin Hill” and “Close to Home” and recurring roles in “Ghost Whisperer” and “Oz.” Seda has also guest-starred on “Hawaii Five-0,” “The Closer,” “Burn Notice,” “House,” “CSI: Miami,” “NYPD Blue,” “Las Vegas” and “Law and Order,” among many others.

In 2010 Seda co-starred in the Emmy Award-winning HBO World War II miniseries “The Pacific,” playing the starring role of legendary U.S. Marine Jon Basilone. He later joined the cast of the acclaimed HBO series “Treme” as a series regular.

Sophia Bush stars as Erin Lindsay, a tough, no-nonsense detective in the NBC drama “Chicago P.D.” Bush has captured film and television audiences alike with the diverse characters she portrays. Over the course of nine seasons, she portrayed Brooke Davis on the CW’s hit drama “One Tree Hill,” evolving

from a trouble-making vixen to a fiercely loyal friend, and a huge fan favorite. Most recently, Bush appeared opposite David Krumholtz, Michael Urie and Brandon Routh in the CBS comedy “Partners.”

Bush starred opposite Sean Bean in the remake of the classic horror film “The Hitcher,” produced by Michael Bay for Focus Features. She starred in Serenade Films’ “The Narrows,” the independent comedy “Table for Three,” and the feature film “Chalet Girl,” opposite Bill Nighy and Brooke Shields.

Previously, Bush starred in 20th Century Fox’s hit comedy “John Tucker Must Die,” along with Jesse Metcalfe and Brittany Snow. She also starred in Buena Vista Pictures’ thriller “Stay Alive,” opposite Frankie Muniz and Adam Goldberg.

Bush has earned multiple Teen Choice Awards in the categories of comedy movie actress, horror/thriller movie actress and breakout female movie actress. In addition, she was also a recipient of the Rising Star Award at the Vail Film Festival, as well as the New Hollywood Style Icon Award at the Hollywood

Style Awards and the Bing Philanthropy Award at the Young Hollywood Awards.

Jesse Lee Soffer stars as Jay Halstead, a brash young detective in the NBC drama “Chicago P.D.” Soffer’s acting career began at age 6 when he landed a Kix cereal commercial. It was just weeks after the Ossining, N.Y. native expressed interest in the craft. At age 8, Soffer made his feature-film debut opposite John Goodman and Cathy Moriarty in “Matinee.” Soon after, he was cast as Susan Sarandon and Sam Shepard’s son in the family drama “Safe Passage” and as Bobby in both “The Brady Bunch Movie” and “A Very Brady Sequel.”

Continuing the pattern of working with Oscar-caliber and other A-list talent, the young actor starred as a runaway-turned-sleuth in the TV movie “From the Mixed-Up Files of Basil E. Frankweiler” opposite the legendary Lauren Bacall. Additionally, Soffer worked with acclaimed director Richard Shepard in AMC’s longform presentation “The Royale.” In 1998 Soffer was cast as a series regular on the Mary Kate and Ashley Olsen ABC sitcom “Two of a Kind.” When the series ended, Soffer returned to the East Coast and took a role on the CBS serial “Guiding Light.”

 After four months on the show, Soffer decided to focus on his studies and put himself through the Gunnery Boarding School in Connecticut. Upon graduation, Soffer realized that he still yearned to act and, once again, began to actively pursue a career in front of the camera. Within months, Soffer landed a major contract role on the daytime drama “As the World Turns.” His portrayal of troubled youth Will Munson earned him three consecutive Daytime Emmy nominations for outstanding younger actor in a drama series in 2006, 2007 and 2008, as well as a Soap Opera Digest Award nomination for outstanding younger lead actor in 2005.

 Soffer made his return to the big screen in Davis Guggenheim’s independent feature film, “Gracie,” playing the son of Elizabeth Shue and Dermot Mulroney. Soffer also appeared in the film “In Time” as well as in guest roles in the TV series “CSI: Miami,” “The Mentalist” and “Rizzoli & Isles.” He also had a co-starring role in the Fox series “The Mob Doctor.”

Patrick John Flueger stars as Adam Ruzek, a young undercover patrolman in the NBC drama “Chicago

P.D.”

Flueger will star in “The Tell-Tale Heart,” an adaptation of the classic Edgar Allen Poe story from director by John La Tier that is due out later this year.

He has two independent films in post-production: “Loaded,” directed by Chris Zonnas, and “San Patricios,” which is set in South Texas and centers around the relationship between two brothers. Flueger’s film resume includes “Mother’s Day,” the “Footloose” remake, the Jim Sheridan-directed “Brothers” and the Anthony Hopkins-starrer “The World’s Fastest Indian.” He made his motion picture debut in 2001 in Disney’s “The Princess Diaries.”

Television credits include “Criminal Minds,” “Warehouse 13,” “The 4400,” “Paradise,” “Law & Order: SVU,” “Grounded for Life,” “Judging Amy,” “CSI: Miami,” “Boston Public” and “JAG.

Flueger is a native of Red Wing, Minn.

Marina Squerciati stars as Kim Burgess, an ambitious uniformed patrol officer in the NBC drama “Chicago P.D.” Squerciati, last seen in FX’s “The Americans” playing a Russian spy, gained attention in an eight-episode arc on “Gossip Girl.” Other television credits include “The Good Wife,” “Blue Bloods,” “Damages” and “Law and Order: SVU.”

For her off-Broadway performance as Judy Holliday in “Just in Time: The Judy Holliday Story” at the Lucille Lortel Theater, Squerciati won the prestigious Agnes Moorehead Award.

Squerciati made her Broadway debut in an adaptation of Ernst Lubitsch’s “To Be or Not to Be,” directed by Tony Award winner Casey Nicholaw. In off-Broadway she starred in “Manipulation, Beauty of the Father,” directed by Tony Award nominee Michael Greif. Her film credits include “It’s Complicated,” directed by Nancy Meyers, and the 2012 feature “Alter Egos,” directed by Jordan Galland and based on the graphic comic.

Squerciati graduated from Northwestern University with a B.A. in theater.

LaRoyce Hawkins will play Officer Kevin Atwater on NBC’s new police drama “Chicago P.D.” Hawkins, who first originated the role in “Chicago Fire,” is an accomplished stand-up comic, spokenword artist and musician. He had a role in the feature film “The Express,” which chronicled the life of Ernie Davis — the first African-American to win college football’s coveted Heisman Award.

On the television side, Hawkins has appeared on MTV’s “Underemployed,” ABC's drama “Detroit 187”

and the TBS comedy “Tyler Perry’s House of Payne.” He has appeared on stage in “By the Way, Meet Vera Stark” (Goodman Theater in Chicago), “Hoodoo Love (Athaneum Theater in Chicago), “Ma Rainey's Black Bottom” and other legit productions.

Hawkins holds a BFA in acting from Illinois State University.

Archie Kao stars at Det. Sheldon Jin, a tech expert in the police department in the NBC drama “Chicago P.D.”

Kao, named one of People magazine’s hottest bachelors, is best known to international television audiences for his role in the Emmy Award-winning series “CSI: Crime Scene Investigation.” Other notable roles include recurring appearances in “ER” and “Once and Again,” with guest appearances in “Heroes,” “Desperate Housewives,” “Huff” and “Melrose Place.”

Various feature film credits include “The One” with Jet Li,” “Purpose” with Mia Farrow, “Local Boys” with Mark Harmon and “The Hills Have Eyes II” from Wes Craven.

After starring in festival favorite “The People I’ve Slept With,” Kao began expanding his presence into trans-Pacific film markets, beginning with Wayne Wang’s “Snow Flower and the Secret Fan.” Soon he can be seen in the Chinese romantic comedy “Love Speaks” with Taiwan’s Amber Kuo. Kao also stars in “The Death Day Party,” a psychological action thriller for Mainland China opposite former Miss Hong Kong and three-time best actress winner Anita Yuen.

In late summer 2013, Kao wrapped his appearance in Michael Mann’s “Cyber,” alongside Chris Hemsworth and Asian stars Leehom Wang and Wei Tang.

Having produced and starred in “Fast Money,” which won numerous festival awards, Kao recently made his directorial debut with “Initiation,” a short film that he also wrote and stars Ashley Bell of “The Last Exorcism.”

In 2012, Kao was honored with CAPE’s (Coalition of Asian Pacifics in Entertainment) Leaders and Legends Award from Who’s Who in Asian-American Communities, amongst such distinguished recipients as former U.S. Transportation Secretary Norm Mineta, Congressman Mike Honda and

Indonesian Ambassador Dino Patti Djalal.

Born in Washington, D.C., to Chinese immigrant parents, Kao graduated from George Mason University with a degree in speech communication.

Currently dividing his time between the U.S. and China, Kao is an avid surfer, tennis player and rock climber. Over the years he’s supported several charities in various capacities, particularly those that focus on cancer research, children’s welfare and combating domestic violence.

Elias Koteas stars as undercover Det. Alvin Olinsky, in the NBC drama “Chicago P.D.”

Early in his career, Koteas was cast by director Francis Ford Coppola in both “Gardens of Stone” and “Tucker.” Koteas then landed a role in Peter Masterson’s “Full Moon in Blue Water” and was later chosen for the lead role in Roger Cardinal’s explosive “Malarek,” playing true-life investigative journalist Victor Malarek. His haunting performance earned Koteas the first of two Genie nominations (Canada’s Oscar) for best actor.

Koteas broke out as an international sensation after his starring role in “Crash,” David Cronenberg’s highly controversial exploration of sexual provocation and alienation, which was awarded a special prize at the 1996 Cannes Film Festival. Koteas has worked on several occasions with one of Canada’s most accomplished directors, Atom Egoyan, He starred in Egoyan’s “The Adjuster” and “Exotica,” for which Koteas garnered a Genie nomination for best supporting actor, as well as “Ararat,” for which he won the Genie for supporting actor.

Koteas has portrayed notable roles in many films, including Steven Shainberg’s “Hit Me,” a modern noir adaptation of Jim Thompson’s “A Swell Looking Babe”; “Gattaca,” starring Uma Thurman, Ethan Hawke and Jude Law; Gregory Hoblit’s supernatural thriller “Fallen,” opposite Denzel Washington; Bryan Singer’s “Apt Pupil”; “Living Out Loud,” with Holly Hunter and Danny DeVito; Terrence Malick’s Academy Award-nominated film “The Thin Red Line”; David Fincher-directed “Zodiac” with Jake Gyllenhaal and Mark Ruffalo; “Shooter” with Mark Wahlberg, directed by Antoine Fuqua; and Fincher’s “The Curious Case of Benjamin Button,” starring Brad Pitt and Cate Blanchett.

Other films include Martin Scorsese’s “Shutter Island,” Michel Winterbottom’s “The Killer Inside Me”, “Let me In,” Louis Letterier’s “Now You See Me” and “Last Days On Mars” with Liev Schreiber, which made its debut at the 2013 Cannes Film Festival.

On television, Koteas was most recently seen playing the pivotal role of Lt. James Skinner on AMC’s drama “The Killing.” Prior to that he was a series regular on the ABC series “Combat Hospital.” Set in a medical compound in Afghanistan, Koteas played Col. Xavier Marks, a career military officer and commander of the multinational medical unit. Koteas has had several critically hailed performances in such programs as USA Network’s Emmy-nominated miniseries “Traffic”; the HBO original movie “Shot in the Heart,” where he played serial killer Gary Gilmore; opposite John Turturro and Mary-Louise Parker in HBO’s “Sugartime”; and “House,” where he played Hugh Laurie’s nemesis.

Koteas has stared in numerous theater productions, including Paula Vogel’s “Hot ‘N’ Throbbing” at the Signature Theatre, “Kiss of the Spider Woman” at the Yale Repertory Theater and “True West” on Broadway, directed by Matthew Warchus.

Koteas is a graduate of the American Academy of Dramatic Arts and a member of the prestigious Actors’ Studio.