Alan Manson (born June 7, 1918-died March 5, 2002) appeared as Fred, a corrupt Chicago Police detective in the episode of Good Times titled "J.J.'s New Career: Part 2" in Season 4.
The Devil's Advocate
Judge Sklar
Montana
Paul
Let's Scare Jessica to Death
Sam Dorker
Leadbelly
Captain Freeman
People vs. Jean Harris
Dr. Henry Francis Ryan
The Marcus-Nelson Murders
Sgt. Roberts
The Trial of Chaplain Jensen
Captain Atherton
Whiffs
Det. Sgt. Poultry
Switch
Murray Franklin
Marriage Is Alive and Well
Dr. Tibbitt
The Rain People
Lou
Poor Devil
Mr. Marley
Bang the Drum Slowly
Doc Loftus
Cop Hater
Clark
The Cemetery Club
Abe Silverman
Cafe Society
Judge Valente
The Detective
Reporter (uncredited)
This Is the Army
Hunting Skit Straight Man /Jane Cowl
The Doors
Judge