Ian Carmichael
Jack Goddard
Janette Scott
Peggy Goddard
Dennis Price
Leonard Watson
Reginald Beckwith
Alfred Harper
Miles Malleson
Rev. Thomas
Terry Scott
2nd River Policeman
Bill Shine
2nd Thames Conservancy Officer
Michael Shepley
Granville-Carter
Jacques Cey
French Official
Hedger Wallace
1st River Policeman
Desmond Roberts
Freighter Captain
Peter Swanwick
Freighter Pilot
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)
