Kenneth More ... Chick Byrd
Cecil Parker ... Rutherford
Dennis Price ... Tommy Morns
Billie Whitelaw ... Judy
Norman Rossington ... Theodore
Angela Douglas ... Fay
Edmund Purdom ... Julian
Frank Finlay ... Prout
Alan Dobie ... Jack Lavery
J.G. Devlin ... Sloppitt
Valerie Croft ... Twin
Leila Croft ... Twin
Gerald Campion ... Gerry
Jacqueline Hill
Harold Goodwin