Robert Culp
— John Blake
Samantha Eggar
— Joanna Blake
Sheila Sullivan
— Luanna Baxter
Mike Lane
— Fats
Sue Hathaway
— Mary
Edward Greenhalgh
— Hugh
Clarence 'Big' Miller
— Jimmy
Barbara Tremain
— Mrs. Olson
Reg McReynolds
— Mr. Olson
Walter Marsh
— Minister
D. Goldrick
— Secretary
Rene Bond
— Orgy Girl (uncredited)