Cast
Rex ReasonDr. Cal Meacham
Faith DomergueDr. Ruth Adams
Jeff MorrowExeter
Lance FullerBrack
Robert NicholsJoe Wilson
Russell JohnsonSteve Carlson
Douglas SpencerThe Monitor of Metaluna
Karl Ludwig LindtDr. Adolph Engelborg
Regis PartonMutant (uncredited)
Richard DeaconPilot (uncredited)
Coleman FrancisExpress Deliveryman (uncredited)
Robert B. WilliamsWebb (uncredited)
Charlotte AlpertMetaluna Woman at Decompression Console (uncredited)- Spencer ChanDr. Hu Ling Tang (uncredited)
- Lizalotta ValescaDr. Marie Pitchner (uncredited)
