Jean-Paul Belmondo as Tony Maréchal

Philippe Noiret as Bibi Dumonceaux

Robert Morley as Lord Swift

Geneviève Page as Béatrice Dumonceaux

Nadja Tiller as Baroness Minna von Strasshofer

Jean-Pierre Marielle as Bob

Mylène Demongeot as Muriel

Stefania Sandrelli as Véronique

Maria Pacôme as Germaine

Ellen Bahl as Josette

Peter Carsten as Kapitän Otto Hanz

Michèle Girardon as L'étrangère du Ritz

Marcel Dalio as Le père de Véronique

Micheline Dax as Marjorie

Pierre Tornade as Le client du garage

Raymond Meunier as Le chauffeur de taxi

Paul Mercey as M. Ponce