Mike
Tommy Kirk
Horsey
Johnny Crawford
Red
Toni Basil
Genius
Ron Howard
Sheriff
Joe Turkel
Deputy
Rance Howard
Fred
Beau Bridges
Merrie
Joy Harmon
Rick
Robert Random
Elsa
Gail Gilmore
Jean
Tisha Sterling
Pete
Tim Rooney
Harry
Kevin O'Neal
Nancy
Charla Doherty
Director
Bert I. Gordon
Producer
Screenstory
Visual Effects
Art Direction
Franz Bachelin
Makeup Supervisor
Wally Westmore
Flora M. Gordon
Original Music Composer
Jack Nitzsche
Novel
H.G. Wells
Screenplay
Alan Caillou
Director of Photography
Paul Vogel
Special Effects
Herman E. Townsley
Set Decoration
Robert R. Benton
Editor
John A. Bushelman
Sound Recordist
John R. Carter