The Unknown Terror
Voltar
John HowardDan Matthews
Mala PowersGina Matthews
Paul RichardsPeter Morgan
May WynnConcha Ramsey
Gerald MiltonDr. Ramsey
Duane GreyLino
Richard GildenRaoul Koom
Martín GarralagaLead Villager
Patrick O'MooreDr. Willoughby- William HamelMr. Trainor
- Charles GreyJim Wheatley / ?The Monster Man
- Charles PostalHiggs (butler)
Sir LancelotSir Lancelot- Charles CirilloNative (sem créditos)
- Jim WhitecloudNative (sem créditos)
- Foster HoodNative (sem créditos)