
A farmer's herd sickens and dies, then his family and neighbors fall ill, so he bucks the state agricultural establishment as he pursues the politically-explosive investigation of how his farm, family, and friends came to be poisoned.
Cast

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
Michael Bond
Dr. Bill DeJong

Jim Haynie
Doc Vandecamp
Robert Hirschfeld
Harold

G.W. Bailey
Jim Laszlo

Robert Behling
Art
Ken Hixon
Williams

Dwight Schultz
Schlatter

Joe Miksak
Al

Charlotte Stewart
Mrs. Laszlo
Will Marchetti
Farmer #3
Ross McKerras
Man #1

Terry David Mulligan
Man #2
Frank Papia
Plant Manager
John Argue
Chairman

Al Cingolani
Harley
Linda Stuart
Secretary
Matthew Locricchio
Worker

Christopher Kriesa
Marshall

J.E. Freeman
Farmer #2
Bill Reddick
Unknown
Crew

Roger Young
Director
Richard Friedenberg
Teleplay
Frederic Halbert
Book
Sandra Halbert
Book
Thomas Fries
Editor
John A. Barton
Assistant Editor
Gayne Rescher
Director of Photography

Craig Huston
First Assistant Director
Joseph J. Kontra
Second Assistant Director
Charles W. Fries
Executive Producer
Tony Ganz
Producer

Jonathan West
Camera Operator
Harvey Genkins
Camera Operator

Catherine E. Coulson
Assistant Camera
Marcia Ross
Casting Assistant
Judith Holstra
Casting
Denita Del Signore
Costumer
Frank Novak
Costumer
Shanon Ely
Hairdresser
James R. Kail
Makeup Artist
Charles T. Knight
Sound Mixer
Andrew Overholtzer
Special Effects

Fred Karlin
Original Music Composer
John Fresco
Music Supervisor
John Mick
Music Editor
Ray Molyneaux
Set Decoration
Frank Tudisco
Script Supervisor
Frank Moorehead
Stunt Double
Roy 'Bucky' Moore
Property Master
Gene Griffith
Key Grip
Romolo Acquistapace
Gaffer
Robert S. Mendelsohn
Unit Production Manager
Bryan Ryman
Art Direction