The April Fools

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

Gary Dubin

Stanley Brubaker

Janice Carroll

Mimsy Shrader

Dee Gardner

Naomi Jackson

David Doyle

Orlow P. Walters

Susan Barrett

Singer

Tani Guthrie

Bess Bluestone

Nancy Howard

Connie Archer

Tom Ahearne

Doorman

Poupée Bocar

Party Guest (uncredited)

Yvonne D'Angers

Safari Club Waitress (uncredited)