On screen
Cast
14 credited performers
Peter Sellers
Auguste Topaze
Nadia Gray
Suzy
Herbert Lom
Castel Benac
Leo McKern
Muche
Billie Whitelaw
Ernestine
Michael Gough
Tamise
Joan Sims
Colette
John Le Mesurier
Blackmailer
John Neville
Roger
Martita Hunt
Baroness
Artwork unavailable
Pauline Shepherd
Lilette
Artwork unavailable
Michael Sellers
Gaston
Artwork unavailable
Anne Leon
Mrs. Tamise
Artwork unavailable
Thomas Gallagher
Policeman (uncredited)