Peter Sellers
Auguste Topaze
Herbert Lom
Castel Benac
Leo McKern
Muche
Michael Gough
Tamise
John Neville
Roger
Martita Hunt
Baroness
Nadia Gray
Suzy
Anne Leon
Mrs. Tamise
Billie Whitelaw
Ernestine
Joan Sims
Colette
John Le Mesurier
Blackmailer
Pauline Shepherd
Lilette
Thomas Gallagher
Policeman (uncredited)
Peter Sellers
Mr. Topaze
Released
Bande-annonce