- Ramsay Ames - Madge Penderby
- Fernando Rey - Police Official
- Juanjo Menéndez - Roberto (as Juan Jose Menendez)
- Eddie Byrne - Sam Crewdson
- John Meillon - Jim Jerome
- Roger Delgado - Spanish Doctor
- Fortunio Bonanova - Spanish Bank Manager
- Shirley Gale - Florence
- José Calvo - Porter
- Joe Lynch - Roy Tanner
- Adriano Domínguez - Civil Guard
- Lockwood West - Bank Manager
- Bob Cunningham - Thomas Guppy
- Manolita Barroso - Dianne
- Rafael Albaicín - Waiter
- Angela Allen
- John Mortimer
- Carol Reed
- John Dark
- Peter Thornton
- William Alwyn
Capítulo disponible en las siguientes plataformas: