A tour guide wins a large sum of money at a casino and a beautiful woman schemes at have it, but love complicates her plans.

David McCallum
as Stanley Thrumm

Sylva Koscina
as Carla Moretti

Tammy Grimes
as Angela Sparrow

Harvey Korman
as Harvey Tomlinson

Domenico Modugno
as Remo Romano

Aldo Fabrizi
as Dr. Manzoni

Mirella Maravidi
as Francesca Bianchini

Riccardo Garrone
as Croupier

Avril Angers
as Gladys Tomlinson

Claude Aliotti
as Teddy Farnum