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Rex Reason - Dr. Cal MeachamFaith Domergue - Dr. Ruth AdamsJeff Morrow - ExeterLance Fuller - BrackRobert Nichols - Joe WilsonRussell Johnson - Steve CarlsonDouglas Spencer - The Monitor of MetalunaKarl Ludwig Lindt - Dr. Adolph EngelborgRegis Parton - Mutant (uncredited)Richard Deacon - Pilot (uncredited)Coleman Francis - Express Deliveryman (uncredited)Robert B. Williams - Webb (uncredited)Charlotte Alpert - Metaluna Woman at Decompression Console (uncredited)Spencer Chan - Dr. Hu Ling Tang (uncredited)Lizalotta Valesca - Dr. Marie Pitchner (uncredited)
Ratings
from TMDB6.0/ 10244 votes