Hope plays a tailor who impersonates Giacomo Casanova, the great lover.

The film also stars Audrey Dalton, Basil Rathbone, Hugh Marlowe, John Carradine, Hope Emerson, Lon Chaney Jr., Raymond Burr, Natalie Schafer, and Vincent Price (in a cameo appearance as the real Casanova).

Pippo, a tailor, impersonates Casanova to woo the girls, particularly the widow Bruni.

Pippo, the widow Bruni and Casanova's valet Lucio travel to Venice.

Paramount built a 400 feet-long full-scale imitation of the Grand Canal in Venice together with bridge and 16 buildings for the film.