D.J. Mulrooney / Knobby
Walter Brennan
Rodney
Matthew Garber
Violet
Cami Sebring
Jasper
Tom Lowell
Male Nurse
Norman Grabowski
Etta Pettibone (uncredited)
Ellen Corby
Hotel Desk Clerk (uncredited)
Byron Foulger
Elizabeth
Karen Dotrice
Ralph Yarby
Richard Deacon
Horatio Quaxton
Sean McClory
Rufus
Ed Wynn
Dr. Ramsey
Jerome Cowan
Dr. Scoggins
Charles Lane
Gas Attendant
Gil Lamb
Katie Barrett
Maudie Prickett
Novel
Upton Sinclair
Songs
Robert B. Sherman
Co-Producer
James Algar
Director
Robert Stevenson
Richard M. Sherman
Set Decoration
Hal Gausman
Makeup Artist
Pat McNalley
Costume Design
Bill Thomas
Costumer
Chuck Keehne
Editor
Norman R. Palmer
Matte Painter
Peter Ellenshaw
Special Effects
Eustace Lycett
Sound Supervisor
Robert O. Cook
Unit Manager
Joseph L. McEveety
Art Direction
Carroll Clark
Emile Kuri
Director of Photography
Edward Colman
Neva Rames
Hairstylist
La Rue Matheron
Assistant Director
Paul Cameron
Original Music Composer
Buddy Baker
Screenplay
Ellis Kadison
Music Editor
Evelyn Kennedy
Orchestrator
Wayne Robinson
Robert A. Mattey
William H. Tuntke
Sound Mixer
Dean Thomas
Second Unit Director
Arthur J. Vitarelli