Elke Sommer as Paula Schultz

Bob Crane as Bill Mason

Werner Klemperer as Klaus

John Banner as Weber

Joey Forman as Herbert Sweeney

Leon Askin as Oscar

Robert Carricart as Rocco

Theo Marcuse as Owl

Larry D. Mann as Grossmeyer

John Myhers as Boss

Barbara Morrison as Klabfus

Benny Baker as Cab Driver

Maureen Arthur as Barbara Sweeney