A playboy who refuses to give up his hedonistic lifestyle to settle down and marry his true love seeks help from a demented psychoanalyst who is having romantic problems of his own.
Peter Sellers
as Dr. Fritz Fassbender
Peter O'Toole
as Michael James
Romy Schneider
as Carole Werner
Capucine
as Renée Lefebvre
Paula Prentiss
as Liz Bien
Woody Allen
as Victor Shakapopulis
Ursula Andress
as Rita
Eddra Gale
as Anna Fassbender
Katrin Schaake
as Jacqueline
Eléonore Hirt
as Sylvia Werner
Jean Parédès
as Marcel
Jacques Balutin
as Etienne
