Fred Williamson

Johnny Barrows

Roddy McDowall

Tony Da Vince

Stuart Whitman

Mario Racconi

Anthony Caruso

Don Da Vince (as Tony Caruso)

Luther Adler

Don Racconi

R.G. Armstrong

Richard

Elliott Gould

Prof. Theodore Rasputin Waterhouse

Jenny Sherman

Nancy

Aaron Banks

Capt. O'Malley