Colossus: The Forbin Project is a 1970 American science-fiction film. It is based on the novel by D.F. Jones.


A supercomputer is programmed to control the United States' nuclear arsenal. It then links with its Soviet counterpart, and the two computers demand that humanity acquiesce to their instructions or face total annihilation. The scientists who created the computer must mount a resistance.


  • Eric Braeden as Dr. Charles Forbin
  • Susan Clark as Dr. Cleo Markham
  • Gordon Pinsent as the President
  • William Schallert as CIA Director Grauber
  • Georg Stanford Brown as Dr. John F. Fisher
  • James Hong as Dr. Chin


  • The film was referred to several times on Mystery Science Theater 3000, with Joel Robinson identifying it as his favorite movie at the end of Episode 324.
  • The voice of Colossus (the computer) was provided by noted voice actor Paul Frees.
  • Crow refers to the Forbin Project during Experiment #501.
  • Riding with Death used footage from Colossus: The Forbin Project in its establishing shots.
  • Several of the actors in this film would go on to star in popular television sitcoms of the 1970s and 80s. Susan Clark would play Katherine on Webster, Marion Ross (Angela Fields) would play Mrs. Cunningham on Happy Days, and Dolph Sweet (Missile Commander) would play Police Chief Carl Kanisky on Gimme A Break!.