The Happy Thieves

The Happy Thieves is a 1961 American crimecomedydrama film starring Rex Harrison and Rita Hayworth and directed by George Marshall. The film is based on the novel The Oldest Confession by Richard Condon. The film was poorly received, with star Harrison later describing it as absolute rubbish.

Eve wants to go straight, but Muoz blackmails her and Jim, demanding they steal another valuable artwork, a Goya, from the Prado museum. A duplicate is created by Jean Marie Calbert Joseph Wiseman and a switch is planned during the farewell bullfight of a matador Virgilio Teixeira whom the duchess intends to wed.Munoz shoots the matador. During the ensuing chaos, Jim and Eve switch the paintings. They also find Munoz dead, killed in vengeance by the duchess. Jim is brought to justice and sentenced toyears in prison. Eve vows to wait for him. ........

Source: Wikipedia