Jean-Paul Belmondo (Tony Marechal)
Nadja Tiller (Baroness Minna von Strasshofer)
Jean-Pierre Marielle (Bob)
Geneviève Page (Beatrice Dumonceaux)
Robert Morley (Lord Swift)
Elisabeth Teissier
Paula Dehelly (Mlle. Aline)
Ellen Bahl (Josette)
Stefania Sandrelli (Veronique)
Maria Pacome (Germaine)
Michéle Girardon (Stranger from the Ritz)
Ivan Desny (Haberdasher)
Mylène Demongeot (Muriel)
Micheline Dax (Marjorie)
Marcel Dalio (Veronique's Father)
Peter Carsten (Capt. Otto Hanz)
Philippe Noiret (Dumonceaux)