Glenn Ford
— John Lathrop Davis
Hope Lange
— Millicent 'Millie' Mehaffey
Charles Boyer
— M. Etienne Pimm
Ricardo Montalban
— Duke Gaspard Ducluzeau
Telly Savalas
— Dr. Christian Gump
Ruth McDevitt
— Mathilda
Ulla Jacobsson
— Janine
Georgette Anys
— Mme. Gallou
Robert Bettoni
— Milkman
Mony Dalmès
— Mme. Fernier
Laurence Hardy
— Priory
Jean Le Maitre
— Carlo
André Luguet
— Maurice Zoltan
Jean Parédès
— Freddie
Redmond Phillips
— Starcy
Erika Soucy
— Gretl
Aram Stephan
— Gallou
Olga Valéry
— Mme. Giardin
John Wood
— Julian Soames
Jean-Pierre Zola
— Mueller