Robert Blake

as Mystery Man

as Donald Patterson

as Vice Detective Patrick Farrel

as John Wintergreen

as Willie

as Perry Smith

as Sidney

as Charles 'Bucky' Harris

as Corporal Jim Larkin

as Pvt. Velie

as Rudy Hernandez

as Enrique Acosta Mesa

as Rafael Ortega

as Mahmoud

as Mexican Boy Selling Lottery Tickets (uncredited)

as Paul Boray as a Child

as Wilbur (uncredited)

as Junior Pulplinsky

as Dickie Wanley

as Egbert Hartley

as Chandu

as Tooky Stedman

as Boy in Car (uncredited)

as Schulte Child (uncredited)