In Venice, a millionaire hires an actor to help him prank three greedy exes into thinking he's dying and leaving his fortune to one of them.
| Actor | Role |
|---|---|
 Rex HarrisonCecil Fox | Cecil Fox |
 Susan HaywardMrs. Sheridan | Mrs. Sheridan |
 Cliff RobertsonWilliam McFly | William McFly |
 CapucinePrincess Dominique | Princess Dominique |
 Edie AdamsMerle McGill | Merle McGill |
 Maggie SmithSarah Watkins | Sarah Watkins |
 Adolfo CeliInspector Rizzi | Inspector Rizzi |
 Hugh ManningVolpone | Volpone |
| DDavid DodimeadMosca | Mosca |
 Mimmo PoliCook (uncredited) | Cook (uncredited) |
 Luigi ScavranMassimo (uncredited) | Massimo (uncredited) |
 Jack BennyViolinist Outside Restaurant (uncredited) | Violinist Outside Restaurant (uncredited) |
 Herschel BernardiOscar Ludwig (uncredited) (scenes deleted) | Oscar Ludwig (uncredited) (scenes deleted) |
 Massimo SeratoThe Pretender (uncredited) (scenes deleted) | The Pretender (uncredited) (scenes deleted) |