"Nick tries to kill his wife to get her money, but when learning of this, she plans the same for him!"
Tony Curtis
as Nick Johnson
Rosanna Schiaffino
as Francesca di Rienzi
Lionel Jeffries
as Parker
Zsa Zsa Gabor
as Gigi
Nancy Kwan
as Baby
Fenella Fielding
as Fenella
Anna Quayle
as Aunt Miriam
Warren Mitchell
as Conte de Rienz / Maximillian
Mischa Auer
as Romeo
Noel Purcell
as Capt. Daniel O'Flannery
Alan Gifford
as American Brasshat
Joseph Fürst
as German Brasshat
Monti DeLyle
as Butler
Bernard Spear
as French Inspector
Eileen Way
as Italian Dressmaker
Bruno Barnabe
as Head Waiter
Gábor Baraker
as Gypsy Baron
Tony Baron
as Baby's Boyfriend
Eunice Black
as Matron
John Brandon
as Radio Engineer
Windsor Davies
Franco De Rosa
as Romano
John Fordyce
as Boy in Orphanage
Yole Marinelli
as First Maid
Miki Iveria
as Second Maid
Henri Vidon
as Priest
Raymond Young
as Photographer
Jacqueline Bisset
as Dancer
Michael Des Barres
as Boy in Orphanage (uncredited)
Ken Hughes
Director
Screenplay
Producer
Dennis Farnon
Music
Ronald Harwood
Story
Ray Stark
John Shirley
Editor
Maude Spector
Casting
Denys N. Coop
Director of Photography
Richard Deeming
Novel
