Steven Lloyd Williams (born January 7, 1949) is an American actor. He has been nominated for a Screen Actors Guild Award and one NAACP Image Award.
He is best known for his roles as Captain Adam Fuller on 21 Jump Street, Lt. Jefferson Burnett on CBS's original drama The Equalizer (1989), Det. August Brooks on TNT's short-lived series L.A. Heat, Mr. X on FOX's scifi series The X-Files, Russell "Linc" Lincoln in Linc's, and Rufus Turner in Supernatural.
He appeared as Trooper Mount in The Blues Brothers (1980), Nester in the 1985 sequel film Missing in Action 2: The Beginning, and bounty hunter Creighton Duke in the 1993 horror film Jason Goes to Hell: The Final Friday.
He has also had many guest appearances on television shows including The Dukes of Hazzard, The A-Team, Booker, MacGyver, Veronica Mars, Stargate SG-1, Martin, The Bernie Mac Show, and Criminal Minds.
He is the uncle of cartoonist Aaron Williams.
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as Jameson (segment "Fly Paper")
as Dad
as Moses Wright
as Alan Sanborn(5 eps)
as Alexander Cora(3 eps)
as Charon the Ferryman
as Pastor Winfield
as Joe Ridgeway(5 eps)
as Captain Patrick Erickson
as Ray Cannon Sr.(6 eps)
as Lionel Hoffman(3 eps)
as Tony Carver(11 eps)
as Connor Markes(1 ep)
as VA Janitor
as Nate(1 ep)
as James 'Pop' Blake I
as Alexander Cora(19 eps)
as Harry
as Cowboy(3 eps)
as Quentin Dickinson(13 eps)
as Leroy Hanlon
as Paul Davis(1 ep)
as Cannonball(1 ep)
as Doc Earl
as Jack Johnson
as Cliff
as Reverend Street
as Bridege Kane(2 eps)
as Lawson
as Robert Colburn
as Phillip(1 ep)
as Virgil(6 eps)
as Max
as Commissioner Adam Fuller (uncredited)
as George
as Junius(1 ep)
as Bishop(1 ep)
as Terrence
as Master of Secrets
as Judge Crawford(1 ep)
as Terry
as Police Captain
as Planchet
as Mr. Burgin
as Alonzo Bearwalker(1 ep)
as Self(1 ep)
as Captain Bradley
as Carlos
as Mr. Gamba
as Captain Fuller
as Lord Stanley
as Smithers
as Cervando
as Det. Mike Burton
as Capt. Wright(1 ep)
as Rufus Turner(6 eps)
as Pastor Desmond Simmons(1 ep)
as Williams
as Paul Rickman
as Jerry's Father
as Frank(1 ep)
as Tom Daniels(1 ep)
as Jack
as Ronde Brooks (2009)(1 ep)
as Freewald(1 ep)
as Hartigan (as Stephen Williams)
as Sgt. Parnell(1 ep)
as Albert Hutchinson
as Lloyd(2 eps)
as Rabbit aka Fred
as Sheehan
as Joel Whittman(1 ep)
as Firefighter Chief Sheehan
as McKay
as Colonol Jeffries
as Shannon
as Judge Thompson(1 ep)
as Jesse(2 eps)
as Emerill Jordan(1 ep)
as August Brooks(48 eps)
as Isaac Peters(16 eps)
as Mr. Walker(1 ep)
as Percy Tucker(1 ep)
as Russell A. `Linc' Lincoln(37 eps)
as Lockwood
as Self
as General Vidrine(3 eps)
as Host
as Carl(1 ep)
as Greg Harvey(1 ep)
as Det. Sexton
as Captain Doyle
as Dr. Cornelius
as Self
as John Jenkins(1 ep)
as Anthony T. Williams
as Self- Host(3 eps)
as Gregg(1 ep)
as Det. Sgt. Eldon James
as Butch Reilly(1 ep)
as The President of the USA(1 ep)
as Mr. X (voice) (uncredited)(1 ep)
as Mr. X(13 eps)
as Creighton Duke
as Chip Dumars(1 ep)
as Danny(1 ep)
as Simon(1 ep)
as Dermot
as Ken Seymour
as Victor(1 ep)
as Jonathan Alston
as Mick
as Satchel Paige
as Police Chief(1 ep)
as Weed
as Adam Fuller(3 eps)
as Gallagher
as Adam Fuller(97 eps)
as Detective Sergeant Phipps(1 ep)
as Joshua Merrill(1 ep)
as National Security Agent #2
as Kyle Banks
as Cop #4
as Ted Gunning
as Charlie Robinson(1 ep)
as Lt. Jefferson Burnett(6 eps)
as Billy Bob(1 ep)
as Tree Trimmer
as Frazier
as Captain David Nester
as King Hayes(1 ep)
as Parker LeMay(1 ep)
as Chuck Skerrit(1 ep)
as Les Averback
as Bar Patron
as Junior Sweet
as Soldier(1 ep)
as Eddie Devane(1 ep)
as Lieutenant(1 ep)
as Protestor(1 ep)
as McCloud
as Harvey(1 ep)
as Trooper Mount
as Julius Lang
as Leeman(1 ep)
as Percy(1 ep)
as Bailiff(2 eps)
as More Fairy Tale Folk
as The Manager
as Jimmy Lee