Alien degli abissi

Charles Napier

Colonel Kovacks

Roberto Dell'Acqua

Guard (uncredited)

David Brass

Head Technician (uncredited)

Kenneth Peerless

Chopper Pilot (uncredited)

Michael Welborn

Security Officer (uncredited)

Albert Bronski

Security Officer Carlos (uncredited)

Donald Wilson

Technician (uncredited)

Frank Wannack

Guard (uncredited)