- Thorley Walters - Manager of Carlton Hotel
- Ruth Trouncer - Gilly Hunter
- Françoise Pascal - Paola
- Tom Marshall - Bryan
- Raf De La Torre - Monsieur Le Guestier
- Marianne Stone - Reporter
- John Comer - John, the porter
- Philippe Mareuil - Doublure voix française de Tony Britton
- Constantine Gregory - Michel Le Guestier
- Avril Angers - English Tourist in Lift
- Georges Lambert - Floor Waiter
- Margaret Lacey - Autograph Hunter at Wedding
- Lewis Alexander - Wedding Guest (uncredited)
- Jack Armstrong - Wedding Guest (uncredited)
- Eric Barker - Wedding Guest (uncredited)
- Ernest Blyth - Wedding Guest (uncredited)
- Christopher Cazenove - Nigel (uncredited)
- Andre Charisse - Concierge (uncredited)
- Mark Dignam - Wedding Guest (uncredited)
- Hugh Elton - Photographer (uncredited)
- Mabel Etherington - Wedding Guest (uncredited)
- Muriel Greenslade - Wedding Guest (uncredited)
- Pearl Hackney - Wedding Guest (uncredited)
- Victor Harrington - Wedding Guest (uncredited)
- George Holdcroft - Wedding Guest (uncredited)
- Juba Kennerley - Wedding Guest (uncredited)
- Roy Lansford - Waiter (uncredited)
- Aileen Lewis - Wedding Guest (uncredited)
- Fred Machon - Sightseer at Wedding (uncredited)
- Robin Parkinson - Reporter (uncredited)
- James Payne - Reporter (uncredited)
- Lance Percival - Willie the Bridegroom (uncredited)
- Bob Raymond - Hotel Porter (uncredited)
- Terry Sartain - Reporter (uncredited)
- Ian Selby - Wine Taster (uncredited)
- John Serret - Elevator Operator (uncredited)
- Tina Simmons - Guest (uncredited)
- Roy Skelton - Reporter (uncredited)
- John Tatham - Wedding Guest (uncredited)
- Cy Town - Photographer (uncredited)
- Colin Vancao - Cigar-Smoking Wedding Guest (uncredited)
- Mickey Varey - Constable (uncredited)
- Roy Boulting
- Terence Frisby
- John Dark
- M.J. Frankovich
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