Walter Matthau as Dr. Charley Nichols

Glenda Jackson as Ann Atkinson

Art Carney as Dr. Amos Willoughby

Richard Benjamin as Dr. Norman Solomon

Candice Azzara as Ellen Grady

Dick O'Neill as Irwin Owett

Sally Marr as Mrs. Meyers

Kedric Wolfe as Funeral director

Gordon Jump as Dr. O'Brien

Charles Matthau as Michael Atkinson

Len Lesser as Waiter

Michael Mann as Assistant TV director

John Pleshette as Theatrical Agent

Jack Griffin as Bunny Suited Actor

Robert Trujillo as Mexican Boy

Patch Mackenzie as Edith Baskin

Bernie Kuby as Minister

Alma Beltran as Gina

Susan Batson as Shirley

Lee Weaver as Anaesthesiologist

Maurice Marks as Ambulance Driver

Bob Goldstein as Taxi cab driver

Pamela Toll as Sarah

Harlee McBride as Nurse

Vincenzo Gagliardi as Singing waiter