Elizabeth Taylor as Cynthia Bishop

George Murphy as Larry Bishop

S.Z. Sakall as Prof. Rosenkrantz

Mary Astor as Louise Bishop

Gene Lockhart as Dr. Fred I. Jannings

Spring Byington as Carrie Bishop Jannings

Jimmy Lydon as Ricky Latham

Scotty Beckett as Will Parker

Carol Brannon as Fredonia Jannings

Anna Q. Nilsson as Miss Brady, English Teacher

Morris Ankrum as Mr. Phillips, Principal

Kathleen Howard as Mac McQuillan, Jannings' Nurse

Shirley Johns as Stella Regan

Barbara Challis as Alice

Harlan Briggs as J.M. Dingle, Napoleon Hardware

Will Wright as Gus Wood, Thatcher's Real Estate Rep

Minerva Urecal as Agnes, Jannings' Cook (Uncredited)

Charles Bradstreet as Stubby Stubblefield (Uncredited)

Eula Guy as Bookkeeper (Uncredited)

Tom Leffingwell as Justice of the Peace (Uncredited)

Mickey Martin as Cheerleader (Uncredited)

Walter Soderling as Napoleon High Janitor (Uncredited)

Colleen O'Neill as Fat Girl (Uncredited)

Erville Alderson as Dingle Clerk (Uncredited)

William Tannen as Dingle Clerk (Uncredited)

Joan Elms as Student (Uncredited)

Leslie Haar as Student (Uncredited)

Dolores Dey as Student (Uncredited)

Stanley Haar as Student (Uncredited)

Mary Jane Smith as Student (Uncredited)

Charles Woolf as Student (Uncredited)