Michael Crawford
— Harry England
Curd Jürgens
— Baron De Choisis
Geneviève Gilles
— Dany de Choisis
Peter Myers
— Bentley
Ira von Fürstenberg
— Evelyne Rossan
Mike Marshall
— Paul
Didier Haudepin
— Raymond
Vivian Pickles
— Joycie
Lon Satton
— Cole
Agathe Natanson
— Monique
Georges Bever
— Hotel Porter
Denise Grey
— Concierge
Jeffry Wickham
— Dickie
Valérie Boisgel
— (uncredited)