Jack Lemmon

Felix Ungar

Walter Matthau

Oscar Madison

Richard Riehle

Detective

Jonathan Silverman

Brucey Madison

Lisa Waltz

Hannah Unger

Mary Beth Peil

Felice

Christine Baranski

Thelma

Jean Smart

Holly

Rex Linn

JayJay

Jay O. Sanders

Leroy

Barnard Hughes

Beaumont

Ellen Geer

Frances Unger Melnick

Doris Belack

Blanche Madison Povitch

Alice Ghostley

Esther

Peggy Miley

Millie

Rebecca Schull

Wanda

Florence Stanley

Hattie

Estelle Harris

Flirting Woman

Joaquín Martínez

Truck Driver

Amy Yasbeck

Stewardess

Francesca P. Roberts

Passenger

Amy Parrish

Computer Girl

Liz Torres

Maria

Myles Jeffrey

Little Boy

Earl Boen

Fred

Ron Harper

Jack

Edmund L. Shaff

Ralph

Alfred Dennis

Morton

Peter Renaday

Justice of the Peace

Daniel Zacapa

Lead Cop

Cliff Bemis

Dance Partner

Frank Roman

Bellman

Matt McKenzie

Pilot

Heath Hyche

Policeman

Jerry Rector

Detective #3

Martin Grey

Immigration Officer

Lou Cutell

Abe

Joanna Sanchez

Passenger

Catherine Paolone

Passenger

Charlie Brewer

Beau Lotterman

Red Neck Bar Guy (uncredited)