Det. Caitlyn "Cat" Sullivan
Leo Romba
Capt. John Baker
Eddie Esposito
Dr. Monica Pena
Gregg James
Frankie Sullivan

Bill Heck

Gregg James

Bill Heck plays FBI Special Agent Gregg James on the new NBC series "Taxi Brooklyn."

Heck is currently starring on Broadway in the musical "Cabaret," opposite Michelle Williams and Alan Cumming. Among his many New York stage performances, he played a crackhead in the 2012 Pulitzer Prize winner "Water by the Spoonful," was Joe Pitt in Tony Kushner's "Angels in America," opposite Zachary Quinto, and sweated in Shakespeare in the Park's "Merchant of Venice," with Al Pacino. Heck also received a host of awards and nominations playing the central role in Horton Foote's nine-hour epic "Orphans' Home Cycle" at the Tony Award-winning Signature Theatre, where he starred with his future wife, actress Maggie Lacey. They now have a child together.

Heck can also be seen this summer in "The Amazing Spider-Man 2," and as Liv Tyler's fiancée in HBO's "The Leftovers," written by Damon Lindelof and directed by Peter Berg. Recent film roles include the lead in Stephen Elliott's upcoming independent film, "Happy Baby," based on the book of the same title, and the lead in Yen Tan's "Pit Stop" (Official Sundance Selection 2013, OutFest LA award for best actor). He has guest-starred on more than a dozen television shows, including "Elementary," "Person of Interest," "Pan Am," "The Big C" and "The Closer."

Before breaking into the professional world, Heck grew up in both Phoenix and the Chicago area, received a BFA from the University of Evansville and went on to get his MFA from NYU's Graduate Acting Program.

Heck is currently a resident of Manhattan but is considering a move to Brooklyn.