Jack Lemmon
Joe Clay
Lee Remick
Kirsten Arnesen Clay
Charles Bickford
Ellis Arnesen
Jack Klugman
Jim Hungerford
Alan Hewitt
Rad Leland
Tom Palmer
Ballefoy
Debbie Megowan
Debbie Clay
Maxine Stuart
Dottie
Jack Albertson
Trayner
Ken Lynch
Proprietor
Leon Alton
Party Guest (uncredited)
Don Anderson
Party Guest (uncredited)
Lynn Borden
Party Guest (uncredited)
George DeNormand
Party Guest (uncredited)
James Gonzalez
Party Guest (uncredited)
Kenner G. Kemp
Party Guest (uncredited)
Harold Miller
Party Guest (uncredited)
Bert Stevens
Party Guest (uncredited)
Arthur Tovey
Party Guest (uncredited)
Charlene Holt
Guest (uncredited)
Mary Benoit
Tenant (uncredited)
Ella Ethridge
Tenant (uncredited)
Pat O'Malley
Tenant (uncredited)
Mel Blanc
(voice) (uncredited)
Gail Bonney
Gladys (uncredited)
Dick Crockett
Boor (uncredited)
Russell Custer
AA Member (uncredited)
Mathew McCue
AA Member (uncredited)
Jennifer Edwards
Five-Year-Old Debbie (uncredited)
Chuck Hicks
Attendant (uncredited)
James Lanphier
Prince (uncredited)
Doye O'Dell
Charlie Deans (uncredited)
Jack Riley
Waiter (uncredited)
Tom Rosqui
Bettor (uncredited)
Olan Soule
Elevator Operator (uncredited)
Katherine Squire
Mrs. Nolan (uncredited)
Charles Watts
Landry (uncredited)
Russ Bender
(uncredited)
John Bard Manulis
(uncredited)
Leoda Richards
Party Guest (uncredited)
Barbara Hines
Party guest (uncredited)
Martin Manulis
Producer
Henry Mancini
Original Music Composer
Philip H. Lathrop
Director of Photography
Patrick McCormack
Editor
J.P. Miller
Writer
Blake Edwards
Director
Joseph C. Wright
Art Direction
Donfeld
Costume Design
George James Hopkins
Set Decoration
Myrl Stoltz
Hairstylist
Hal Lierley
Makeup Artist
Betty A. Griffin
Script Supervisor
Jack McEdward
Unit Production Manager
Carter DeHaven Jr.
Assistant Director
Richard H. Kline
Camera Operator
Jack Solomon
Sound
Henry Vilardo
Makeup Artist