Brian O'Shaughnessy

as Pilot

as Dr. Hermann Kummerow

as Admiral Norman Henshaw

as Professor Morton

as Col. van Vuuren

as Commander

as Col. Bretyn

as Major Ellis

as Father Shannon

as Axelrod

as James Sullivan (as Brian O'Shaugnessy)

as John Enrlich

as 'Barracuda' Skipper

as Richard

as Herr Lüdemann

as Jan Greyling

as Louw's Father

as Smidson

as Mr. Thompson

as Maj. Smith R.A.

as Dr. Leon Walters

as Colonel Duncan

as Dr. Page

as Morgan

as Alec Dudley

as Mak

as Maj. Allen Wilson

as Piet Brügge

as Andrew Murdock

as Corporal Caine

as Dr. Rodney Masters

as Mackenzie

as Capt. Ronald Rogers

as Clem

as Barrett

as Macarthy

as Captain Ricky