- John Harvey - Johnnie
- Terry Scott - 2nd River Policeman
- Bill Shine - 2nd Thames Conservancy Officer
- Michael Shepley - Granville-Carter
- Toby Perkins - Pukka Type
- Jacques Cey - French Official
- Hedger Wallace - 1st River Policeman
- Desmond Roberts - Freighter Captain
- Peter Swanwick - Freighter Pilot
- Gerald Campion - Charlie
- Graham Stark - Flowerman
- Gladys Henson - Madame de Sola
- Willoughby Goddard - Prospective Purchaser
- Marianne Stone - Prospective Purchaser's Wife
- Dick Bentley - Ron (Uncredited/Voice)
- June Whitfield - Eth (Uncredited/Voice)
- Naunton Wayne - 1st Thames Conservancy Officer
- Tom Gill - Customs Officer (uncredited)
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C.M. Pennington-Richards
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C.M. Pennington-Richards
Capítulo disponible en las siguientes plataformas:
