Jack Lemmon

Harry Hinkle

Walter Matthau

Willie Gingrich

Ron Rich

Luther "Boom Boom" Jackson

Cliff Osmond

Purkey

Judi West

Sandy Hinkle

Lurene Tuttle

Mother Hinkle

Harry Holcombe

O'Brien

Les Tremayne

Thompson

Marge Redmond

Charlotte Gingrich

Noam Pitlik

Max

Harry Davis

Dr. Krugman

Ann Shoemaker

Sister Veronica

Ned Glass

Doc Schindler

Sig Ruman

Professor Winterhalter

Archie Moore

Mr. Jackson

Billy Wilder

Director

Billy Wilder

Producer