Sharon Tate
— Pat
Vittorio Gassman
— Mario Beretti
Orson Welles
— Markan
Vittorio De Sica
— Di Seta
Terry-Thomas
— Albert
Ottavia Piccolo
— Stefanella
Mylène Demongeot
— Judy
William Rushton
— Bennet
Tim Brooke-Taylor
— Jackie
John Steiner
— Stanley
Lionel Jeffries
— Randomhouse
Mara Carisi
— Wardrobe Mistress (uncredited)