Η Μαύρη Τρύπα

Maximilian Schell

Dr. Hans Reinhardt

Anthony Perkins

Dr. Alex Durant

Ρόμπερτ Φόρστερ

Captain Dan Holland

Joseph Bottoms

Lieutenant Charles Pizer

Yvette Mimieux

Dr. Kate McCrae

Ernest Borgnine

Harry Booth

Tom McLoughlin

Captain S.T.A.R.

Roddy McDowall

V.I.N.CENT. (voice) (uncredited)

Slim Pickens

B.O.B. (voice) (uncredited)

Gary Nelson

Drone with Mask Removed (uncredited)

Steven Banks

Sentry Robot (uncredited)

Don Lewis

Sentry Robot (uncredited)