Alien degli abissi

Daniel Bosch

Bob

Marina Giulia Cavalli

Jane

Robert Marius

Lee

Luciano Pigozzi

Dr. Geoffrey

チャールズ・ネイピア

Colonel Kovacks

Roberto Dell'Acqua

Guard (uncredited)

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David Brass

Head Technician (uncredited)

Kenneth Peerless

Chopper Pilot (uncredited)