Jimmy Lydon

as Henry Aldrich

Charles Smith

as Dizzy

John Litel

as Mr. Aldrich

Olive Blakeney

as Mrs. Aldrich

Diana Lynn

as Phyllis Michael

Vaughan Glaser

as Mr. Bradley

Paul Harvey

as Sen. Tom Caldicott

Barbara Jo Allen

as Mrs. Terwilliger ("Blue Eyes")

Luis Alberni

as Tony

Barbara Pepper

as Miss LaRue ("Wild Rose")

Nell Craig

as Miss Lewis

Dick Elliott

as Matthews

Harry Hayden

as Businessman

Sarah Edwards

as Mrs. Bradley

Mary Field

as Husband-Seeking Woman

Sue Moore

as Mrs. Olson (uncredited)

Gladden James

as Teacher (uncredited)