Pelakon & Kru
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Edward JuddBedford - Martha HyerKate
- Lionel JeffriesCavor
- Betty McDowallMargaret Hoy
- Miles MallesonRegistrar
- Gladys HensonNursing Home Matron
- Hugh McDermottChallis
- Erik ChittyGibbs
- Gordon RobinsonSgt. Andrew Martin (uncredited)
- Laurence HerderGlushkov
- Marne MaitlandDr. Tok
- Ray HarryhausenPengarah
- Nathan JuranPengarah
- Charles H. SchneerPenerbit
- Ray HarryhausenPenerbit
- Nigel KnealePenulis
- H.G. WellsPenulis