Silent Running is a 1972 environmental-themed American post-apocalyptic science fiction film. It is the directorial debut of Douglas Trumbull, and stars Bruce Dern, Cliff Potts, Ron Rifkin and Jesse Vint.

Cast

• Bruce Dern as Freeman Lowell
• Cliff Potts as John Keenan
• Ron Rifkin as Marty Barker
• Jesse Vint as Andy Wolf
• Mark Persons as Drone 1 (Dewey)
• Cheryl Sparks and Steven Brown as Drone 2 (Huey)
• Larry Whisenhunt as Drone 3 (Louie)