Jack
Dennis Christopher
The Giant
Elliott Gould
Self - Host (uncredited)
Shelley Duvall
The Giantess
Jean Stapleton
Jack's Mother
Katherine Helmond
Strange Little Man / Fairy / Narrator
Mark Blankfield
The Lady of the Harp
Jerry Hall
Spot, the Cow
Lise Lang
Ty Crowley
Spot, the Cow (voice)
Lamont Johnson
The Hen Puppeteer
Billy Bryan
Director
Music Consultant
Van Dyke Parks
Producer
Executive Producer
Associate Producer
Fred Fuchs
Jonathan T. Taplin
Original Music Composer
Frank Serafine
Bridget Terry
Set Decoration
Lissa Kapstrom
Art Direction
Michael Erler
Costume Design
J. Allen Highfill
Production Design
Jefferson Eliot
Makeup Designer
Sheryl Ptak
Lighting Design
Bill Klages
Lighting Director
Mark J. Levin
Production Consultant
Robert N. Chester
Producer's Assistant
Sandra Pearson
Production Coordinator
Paula Montgomery
Sound
Ron Cronkhite
Music Arranger
Wardrobe Assistant
Beth Alexander
Unit Manager
Loretta Masters
Ron Wild
Tony Fiorito
Lynn Houston
Production Assistant
Annette Lorenz
Harold Schiff
Hair Designer
Richard Sabre
Steve Auer
Terry Corey
Melissa Rhys Moore
Bruce Ryan
Writer
Mark Curtiss
Rod Ash
Editor
Marco Zappia