Isiah Whitlock, Jr. is an American actor best known for his role as corrupt state senator Clay Davis on the HBO drama series The Wire, from 2002-2006.
He also had a starring role as Bob Harris, the service station manager and unofficial patriarch at Gold Star for 25 years who is an honest man and a great boss, always ready with a smile and a kind word, in the short-lived drama series Lucky 7.
Whitlock was seen in David Chase's Not Fade Away, Miguel Arteta's Cedar Rapids, Rashaad Ernesto Green's Gun Hill Road, Tony Kaye's Detachment and Spike Lee's The 25th Hour and She Hate Me.
Other film credits include Brooklyn's Finest, Twelve, Main Street, Choke, Under New Management, 1408, Enchanted, Kettle of Fish, Pieces of April, Duane Hopwood, Jump Tomorrow, Harlem Aria, The Fish in the Bathtub, Everyone Says I Love You, The Spanish Prisoner, Eddie and Goodfellas.
He can also be seen in the films Thanks for Sharing and Angriest Man in Brooklyn.
On television Whitlock starred as Senator Clay David on The Wire, and had guest starring roles on Veep, Louie and Smash. He has been featured numerous times on Law & Order: Criminal Intent and Law & Order: SVU.
Other guest leads include Chappelle's Show, The Onion Sports Show, Rubicon, The Unusuals, Meet the Browns, Human Giant, New Amsterdam, Madigan Men, Wonderland, Third Watch, Ed, New York Undercover and the PBS documentary Liberty.
Whitlock was nominated in 2002 for a Lucille Lortel Award as Best Featured Actor for his work in Four, which enjoyed a renowned off-Broadway run at the Manhattan Theatre Club.
The Iceman Cometh, Merchant of Venice and Mastergate are among his Broadway credits, while Farragut North (Atlantic Theatre Co., Geffen Playhouse), The Cherry Orchard, Everything That Rises Must Converge, Up Against The Wind, A Lesson Before Dying, High Life, Edmond, The American Clock, White Panther and The Illusion comprise his off-Broadway credits.
Whitlock was also part of the national tour of the play The Piano Lesson, in the title role of Boy Willie.