Don Knotts
Dr. Jesse W. Heywood
Barbara Rhoades
Penelope 'Bad Penny' Cushings
Jackie Coogan
Matthew Basch
Ruth McDevitt
Mrs. Olive Heywood
Frank McGrath
Mr. Remington
Terry Wilson
Welsh
Carl Ballantine
Abel Swanson
Pat Morita
Wong
Robert Yuro
Arnold the Kid
Herb Voland
Dr. Friedlander
Alan Rafkin
Diretor