Summary: Battle of the sexes comedy about a free-wheeling bachelor who decides to save his friend's marriage by proving that all mistresses are incapable of fidelity. The plot gets complicated when the bachelor offers to set up the wrong girl in a lavish love-nest and she accepts, thinking it to be a marriage proposal. (imdb)

Genres: Romance, Comedy

Country: USA

Directed By: Fielder Cook

Written By: Stanley Shapiro, Nate Monaster

Starring: Eli Wallach, Dean Martin, Betty Field, Stella Stevens, Anne Jackson

More information at the Internet Movie Database