Cary Grant
Peter Joshua
Audrey Hepburn
Regina Lampert
Walter Matthau
Hamilton Bartholemew
James Coburn
Tex Panthollow
George Kennedy
Herman Scobie
Dominique Minot
Sylvie Gaudel
Ned Glass
Leopold Gideon
Jacques Marin
Edouard Grandpierre
Paul Bonifas
Mr. Felix
Marc Arian
Subway Passenger (uncredited)
Marcel Bernier
Taxi Driver (uncredited)
Raoul Delfosse
Taxi Driver (uncredited)
Stanley Donen
Man in Elevator (voice) (uncredited)
Chantal Goya
(uncredited)
Clément Harari
German Tourist (uncredited)
Monte Landis
Master of Ceremonies at Club (uncredited)
Bernard Musson
Hotel Receptionnist (uncredited)
Jacques Préboist
Ice Cream Salesman (uncredited)
Peter Stone
Man in Elevator / Marine (voice) (uncredited)
Michel Thomass
Embassy Driver (uncredited)
Roger Trapp
Mortuary Employee (uncredited)
Thomas Chelimsky
Jean-Louis Gaudel
Claudine Berg
Maid (uncredited)
Albert Daumergue
Man in Stamp Market (uncredited)
Jean Gold
Writer On Cafe Terrace (uncredited)
Antonio Passalia
Italian Representative at URESCO (uncredited)
Louis Viret
Hallmark Employee On Subway (uncredited)
