The Unknown Terror

Elenco

• 
  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)

Equipe Técnica