- David Niven
- Sir Percy Blakeney / The Scarlet Pimpernel
- Margaret Leighton
- Marguerite Blakeney
- Cyril Cusack
- Chauvelin
- Jack Hawkins
- Prince of Wales / Footpad attacking Lord Anthony
- Arlette Marchal
- Contesses de Tournai
- Gérard Nery
- Philippe de Tournai
- Danielle Godet
- Suzanne de Tournai
- Edmond Audran
- Armand St. Juste
- Charles Victor
- Colonel Winterbotham
- Eugene Deckers
- Captain Merieres
- David Oxley
- Captain Duroc
- Raymond Rollett
- Bibot
- Philip Stainton
- Jellyband
- John Longden
- The Abbot
- Robert Griffiths
- Trubshaw
- George De Warfaz
- Baron
- Arthur Wontner
- Lord Grenville
- Jane Gill-Davis
- Lady Grenville
- Richard George
- Sir John Coke
- Cherry Cottrell
- Lady Coke
- David Hutcheson
- Lord Anthony Dewhurst
- Robert Coote
- Sir Andrew ffoulkes
- John Fitzgerald
- Sir Michael Travers
- Patrick Macnee
- Hon. John Bristow
- Terence Alexander
- Duke of Dorset
- Tommy Duggan
- Earl of Sligo
- John Fitchen
- Nigel Seymour
- Jon Hewitt
- Major Fretty
- Hugh Kelly
- Dr. Fitzdrummond
- Richmond Nairne
- Beau Pepys
- Archie Duncan
- Man in bath
- James Lomas
- Man in bath
- Howard Vernon
- Comte de Tournai
- Robert Cawdron
- Doorman at the French Embassy
- Peter Copley
- Tailor
- Richard England
- captain of schooner, The Daydream
- Peter Gawthorne
- Chauvelin's Butler
- Sally Newland
- (uncredited)
- Bert Varley
- Prinny's Coachman
