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

Irene Olga López
Cafe Waitress

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)