- Stratford Johns - PC Coleman
- Warwick Ashton - PC Roberts
- Norah Blaney - The Actress
- Charles Hawtrey - Disc Jockey
- Nicholas Phipps - Scientist
- Peter Bull - Scientist
- Gibb McLaughlin - Scientist
- Ernest Jay - Scientist
- Harold Scott - Scientist
- Terence Alexander - Radio Show Official (uncredited)
- Irene Handl - Customer (uncredited)
- Arthur Lowe - Shop demonstrator (uncredited)
- Glyn Houston - Arresting Policeman (uncredited)
- Jeremy Hawk - Himself
- Philip Stainton - Frankie's Agent
-
Jerry Lewis
-
Dee Caruso, Gerald Gardner
-
Jerry Lewis
Capítulo disponible en las siguientes plataformas: