- Terry-Thomas - Captain Sir Harry Washington-Smythe
- Renate von Holt - Anna Lindstrom
- Jimmy Clitheroe - General Tom Thumb
- Judy Cornwell - Lady Electra
- Joachim Teege - Joachim Bulgeroff
- Edward de Souza - Henri
- Joan Sterndale-Bennett - Queen Victoria
- Allan Cuthbertson - Colonel Scuttling - Scotland Yard Man
- Derek Francis - Puddleby
- Anthony Woodruff - Announcer
- Hugh Walters - Carruthers
- Donald Bisset - Jack Flood
- Cecil Nash - Chambers
- Vernon Hayden - Mr. Brown
- John Franklyn - Railway Guard
- Harry Brogan - Professor Dingle
- Derek Young - French Officer of the Guard
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Peter Jürgensmeier
Capítulo disponible en las siguientes plataformas: