cast
- Walter Matthau
- Joseph P. Kotcher
- Deborah Winters
- Erica Herzenstiel
- Felicia Farr
- Wilma Kotcher
- Charles Aidman
- Gerald Kotcher
- Ellen Geer
- Vera Kotcher
- Darrell Larson
- Vincent Perrin
- Lucy Saroyan
- Sissy
- Dee Carroll
- Dorothy Ballinger
- Biff Elliot
- Motel Manager
- Donald and Dean Kowalski
- Duncan Ketcher
- Jack Lemmon
- Stranger on Bus
- Kim Hamilton
- Receptionist
- Jane Connell
- Miss Roberts
- Amzie Strickland
- Film Narrator
- Penny Santon
- Mrs. Segura
- Tamar Cooper
- Nurse
- Larry Linville
- Peter
- Paul Picerni
- Dr. Guadillo
- Jessica Rains
- Dr. McKernan
- Ralph Roberts
- Blue Scarecrow
- Arlen Stuart
- Mrs. Fisher
- Paul Fierro
- Fabio
- James Brodhead
- Weaver
crew
- Jack Lemmon
- Director
- Rick Carter
- Producer
- John Paxton
- Screenwriter
- Katharine Topkins
- Book Author
- Richard H. Kline
- Cinematographer
- Marvin Hamlisch
- Composer (Music Score)
- Ralph Winters
- Editor
- John S. Poplin
- Art Director
- William Kiernan
- Set Designer
- John A. Anderson
- Costume Designer
- Jack Solomon
- Sound/Sound Designer
- Richard Portman
- Sound/Sound Designer
- Jack Erickson
- Special Effects
- Harry Ray
- Makeup
- Jean Austin
- Makeup
