William Eythe
— Charles Morton
Stanley Holloway
— Emile Pollet
Hazel Court
— Gabrielle Vermorel
Margaret Rutherford
— Madame Vernorel
George Thorpe
— Sen. Philipe Renault
Irene Browne
— Mme. Renault
Beatrice Campbell
— Margot
Basil Sydney
— Georges Vermorel
Ada Reeve
— Mathilde - the Concierge
Graeme Muir
— Count de Brissac
Wilfrid Hyde-White
— Garin - News Editor
John Ruddock
— Doctor
O.B. Clarence
— Ambassador
Aubrey Mallalieu
— Prefect of Police