The Hot Rock Cast

Robert Redford plays John Dortmunder, the mastermind behind the diamond heist.

George Segal portrays Andrew Kelp, a skilled thief and member of Dortmunder's team.

Ron Leibman takes on the role of Stanley Murch, another member of the heist team.

Paul Sand plays Alan Greenburg, a key member of Dortmunder's crew involved in the heist.

Moses Gunn portrays Dr. Amusa, a character entangled in the heist plan.

William Redfield plays Lt. Hoover, a law enforcement officer involved in the diamond heist investigation.

Topo Swope portrays 'Sis' Clara Kelp, a character connected to one of the team members.

Charlotte Rae plays Ma Murch, Stanley Murch's mother in the film.

Graham Jarvis portrays Frank, the Prison Warden overseeing a character involved in the heist.

Christopher Guest plays a Policeman in the movie who becomes involved in the heist investigation.

Zero Mostel portrays Abe Greenberg, a character connected to the heist's planning and execution.

Harry Bellaver plays Rollo the Bartender, a minor character in the film.