Jack Lemmon character Harry Hinkle
Walter Matthau character William H. "Whiplash Willie" Gingrich
Ron Rich character Luther "Boom Boom" Jackson
Judi West character Sandy Hinkle
Cliff Osmond character Purkey
Lurene Tuttle character Mother Hinkle
Harry Holcombe character O'Brien
Les Tremayne character Thompson
Marge Redmond character Charlotte Gingrich
Ann Shoemaker character Sister Veronica
Ned Glass character Doc Schindler
Archie Moore character Mr. Jackson
Howard McNear character Mr. Cimoli
Harry Davis character Dr. Krugman
Lauren Gilbert character Kincaid
Sig Ruman character Professor Winterhalter
Noam Pitlik character Max
Maryesther Denver character Nurse
Judy Pace character Elvira
Helen Kleeb character Law Firm Switchboard Operator and Receptionist
Bartlett Robinson character Doctor
Ben Wright character Doctor
Dodie Heath character Nun
