Tony Curtis
Nick Johnson
Rosanna Schiaffino
Francesca di Rienzi
Lionel Jeffries
Parker
Zsa Zsa Gabor
Gigi
Nancy Kwan
Baby
Fenella Fielding
Fenella
Anna Quayle
Aunt Miriam
Warren Mitchell
Conte de Rienz / Maximillian
Mischa Auer
Romeo
Noel Purcell
Capt. Daniel O'Flannery
Alan Gifford
American Brasshat
Joseph Fürst
German Brasshat
Bernard Spear
French Inspector
Eileen Way
Italian Dressmaker
John Brandon
Radio Engineer
Windsor Davies
Radio Engineer
Miki Iveria
Second Maid
Raymond Young
Photographer
Jacqueline Bisset
Dancer
Michael Des Barres
Boy in Orphanage (uncredited)
Monti DeLyle
Butler
Bruno Barnabe
Head Waiter
Gábor Baraker
Gypsy Baron
Tony Baron
Baby's Boyfriend
Eunice Black
Matron
Franco De Rosa
Romano
John Fordyce
Boy in Orphanage
Yole Marinelli
First Maid
Henri Vidon
Priest
