Richard Boone as Francis Hogan

Michael Dunn as Arthur Boyle

Barbara Bain as Susan Lakely

Victor Buono as Julius Limeway

Gianni Russo as Michael Tarlow

John Quade as Edgar

Walter Burke as Wheezer

Lou Wagner as Sally

Lou Cutell as Sidney

John Lawrence as Reardon

Luke Andreas as Nightman

Don Calfa as Bananas

Vic Vallaro as Courier

Bobby Baum as Benny

Ron Boutwell as Pool Player

George Brenlin as Barney

Bob Corso as Charlie

Jan B. Daly as Nightclub Singer

James Espinoza as Manuel

Paul "Mousie" Garner as Harry

Larry Gorodkin as Parking Lot Attendant

Sylvia J. Habush as Annie

Tim Herbert as Sam

Newton Mitzman as Droopy

James Nusser as Night Clerk

Carlo Rizzo as Eddie

Lomax Study as Maitre d'