
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. Description above from the Wikipedia article Steven Williams, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Bones
TV • 2005

Supernatural
TV • 2005

Criminal Minds
TV • 2005

The X-Files
TV • 1993

The X-Files
TV • 1993

Stargate SG-1
TV • 1997

Desperate Housewives
TV • 2004

Chicago P.D.
TV • 2014

Monk
TV • 2002

Yellowstone
TV • 2018

Diagnosis: Murder
TV • 1993

MacGyver
TV • 1985

Cold Case
TV • 2003

Dallas
TV • 1978

black-ish
TV • 2014

True Detective
TV • 2014

The A-Team
TV • 1983

L.A. Law
TV • 1986