Isiah Whitlock, Jr. (September 13, 1954 – December 30, 2025) was an American actor. He is most famous for his role on the HBO television series, The Wire as corrupt state senator Clay Davis. In 2011, Whitlock played an insurance agent named Ronald Wilkes in the film Cedar Rapids. Wilkes is a self-described fan of The Wire and does an impersonation of character Omar Little. Whitlock has said that the references to the series were written in before he became involved in Cedar Rapids.
He is also notable for appearing in Spike Lee films She Hate Me and 25th Hour as Agent Amos Flood. In all three projects, Whitlock established a catchphrase from his characters' distinct pronunciation of the word "shit" ("sheee-it").
He appeared as Eugine, a supporting role, in the 2003 film Pieces of April. He had a bit part in Goodfellas as a doctor who gives Henry Hill a Valium while attending to his brother. In 2007, he played Ethan Banks in Enchanted.
Whitlock made appearances on Chappelle's Show and played various characters on Law & Order and its' spinoff, Law & Order: SVU. He also appeared in promotional spots for the Wii video game Punch-Out!! portraying the character Doc Louis.
as Alexander Wilkins
as Bird King (voice)
as Larry Dokes(8 eps)
as Bob
as Commander Burnside (voice)
as Ohio
as Judge Lomax
as Self(3 eps)
as Charlie Figaro(20 eps)
as Mr. Jackson(2 eps)
as Melvin
as Lester
as Russ McAllen
as Michael
as Lester
as Derek
as Lyman
as Officer Matthews
as Scotty
as Detective Gene Dentler
as Richard Talmage(1 ep)
as Burl Loomis(10 eps)
as Mr. Turrentine
as Mayor Naise (voice)(5 eps)
as Dog #10(1 ep)
as Buster
as Gus Bradley(3 eps)
as River Scott (voice)
as Peterson
as Raleigh Marks(2 eps)
as Sheriff Gene Dentler
as Carmen(1 ep)
as Bacchos
as Reverend Carlson(1 ep)
as Dr. Connelly
as Gerry Lang(1 ep)
as C.E.O. (voice)(1 ep)
as Yates
as Mr. Dream(1 ep)
as Samuel
as Jack
as Bob Harris(8 eps)
as Danny(1 ep)
as Charles
as Philly
as Dr. Pamuk
as Landers
as Jack Brunelle(1 ep)
as Black
as Detective Flood
as George Maddox(7 eps)
as Ronald Strickland(2 eps)
as Officer Thompson
as Mr. Mathias
as Ronald Wilkes
as Mayor
as Detective Dumont
as Investigator #3 (as Isiah Whitlock)
as Ira Protopapas(1 ep)
as Drummer
as Rev. A.L. Blunton
as Mississippi DJ
as Detective Palmer
as Joe Williams(1 ep)
as Self
as Ethan Banks
as Hotel Engineer
as Mr. Lebreaux
as Freddie
as William
as Chopper
as Amos Flood
as Mr. Stubbs
as Eugene
as Agent Flood
as Clay Davis(25 eps)
as George's Uncle
as Crime Scene Detective(1 ep)
as Detective(1 ep)
as Tim Unger(2 eps)
as Dr. Mohyuddin(1 ep)
as Reggie Simmons(1 ep)
as Robbery Division Captain(1 ep)
as Todd Smythe(1 ep)
as Captain Reece(3 eps)
as NTCC Representative(1 ep)
as Manny
as Rudy
as Trooper
as Luke - Slave(6 eps)
as Cop
as Rick
as Anton Emery(1 ep)
as Gordon Samuels(1 ep)
as Antony White(1 ep)
as Simon Brooks(1 ep)
as Fred Oakes(1 ep)
as Captain Navarro(1 ep)
as Doctor
as Fireman
as The Moose(6 eps)
as Second Charitable Gentleman / Party Guest