On screen
Cast
26 credited performers
Ron Howard
Ned De Vries
Art Carney
Walter Peary
Tarah Nutter
Kate De Vries
David Knell
Brandon
Barry Corbin
Dr. Agajanian
Richard Dysart
Dr. Morton Freeman
Artwork unavailable
Michael Bond
Dr. Bill DeJong
Jim Haynie
Doc Vandecamp
Artwork unavailable
Robert Hirschfeld
Harold
G.W. Bailey
Jim Laszlo
Robert Behling
Art
Artwork unavailable
Ken Hixon
Williams
Dwight Schultz
Schlatter
Joe Miksak
Al
Charlotte Stewart
Mrs. Laszlo
Artwork unavailable
Will Marchetti
Farmer #3
Artwork unavailable
Ross McKerras
Man #1
Terry David Mulligan
Man #2
Artwork unavailable
Frank Papia
Plant Manager
Artwork unavailable
John Argue
Chairman
Al Cingolani
Harley
Artwork unavailable
Linda Stuart
Secretary
Artwork unavailable
Matthew Locricchio
Worker
Christopher Kriesa
Marshall
J.E. Freeman
Farmer #2
Artwork unavailable
Bill Reddick
Character not listed