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

Mike Henry
Carlo Da Vince

Robert Phillips
Ben

James Brown
Police Sergeant

Victor Rogers
Tom

Gregory Bach
Body Guard

John LaMotta
Antonio Goti

Frank Bello
Joe

Louis Ojena
Louie

Al Hansen
Police Officer

Russ McGinn
Police Officer

Philip Roye
Police Officer