Dean Stockwell
— Jerry Vernon
Natalie Trundy
— Emily 'Miley' Meredith
John Larch
— Sam Vernon
Barbara Billingsley
— Helen Meredith
John Stephenson
— Charles Meredith
Maureen Cassidy
— Harriet
Mason Alan Dinehart
— Bob Williams (as Alan Dinehart III)
Virginia Christine
— Mrs. Vernon
Robert Hyatt
— Biff Vernon (as Bobby Hyatt)
Hugh Sanders
— Uncle Harry
Claire Carleton
— Aunt Martha (uncredited)