The April Fools (1969)
"He has a wife. She has a husband. With so much in common they just have to fall in love."

Title: The April Fools
Original Title: The April Fools
Release Date: 1969-05-28
Status: Released
Rating: 6.016/10 (from 32 votes)
Language: EN
Genres: Drama, Comedy, Romance
Production Companies: Cinema Center Films, Jalem Productions, Cinema Center 100 Productions, National General Pictures
Newly-promoted if none too happily married Howard Brubaker leaves a rowdy company party early with the stunning Catherine, whom it turns out is herself unhappily married — to the boss. They spend an innocent night in New York becoming more and more attracted to each other, so that when Catherine announces she intends to leave her husband and return to Paris Howard asks to go along too.
Cast

Jack Lemmon
Howard Brubaker

Catherine Deneuve
Catherine Gunther

Peter Lawford
Ted Gunther

Jack Weston
Potter Shrader

Myrna Loy
Grace Greenlaw

Charles Boyer
Andre Greenlaw

Kenneth Mars
Les Hopkins

Melinda Dillon
Leslie Hopkins

Harvey Korman
Matt Benson

Sally Kellerman
Phyllis Brubaker