Cliff Robertson as Tolly Devlin

Dolores Dorn as Cuddles

Beatrice Kay as Sandy

Richard Rust as Gus Cottahee

Paul Dubov as Gela

Robert Emhardt as Earl Connors

Larry Gates as John Driscoll

Gerald Milton as Joseph Wilhelm Gunther

David Kent as Young Tolly

Peter Brocco as Vic Farrar

Tina Pine as Woman

Cosmo Sardo as Connors' Associate

Sally Mills as Connie Fowler

Robert P. Lieb as Police Chief William Fowler

Allan Gruener as Smith

Neyle Morrow as Barney

Henry Norell as Dr. Meredith

Bernie Hamilton as Investigator

Jerry Mann as Cashier (uncredited)