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.
Ron Howard
as Ned De Vries
Art Carney
as Walter Peary
Tarah Nutter
as Kate De Vries
David Knell
as Brandon
Barry Corbin
as Dr. Agajanian
Richard Dysart
as Dr. Morton Freeman
Michael Bond
as Dr. Bill DeJong
Jim Haynie
as Doc Vandecamp
Robert Hirschfeld
as Harold
G.W. Bailey
as Jim Laszlo
Robert Behling
as Art
Ken Hixon
as Williams