Donald Sutherland as Andrew Nivens

Eric Thal as Sam Nivens

Julie Warner as Mary Sefton

Keith David as Alex Holland

Will Patton as Dr. Lawrence Graves

Richard Belzer as Neil Jarvis

Tom Mason as President Douglas

Yaphet Kotto as Ressler

Gerry Bamman as Viscott

Sam Anderson as Culbertson

J. Patrick McCormack as Gidding

Marshall Bell as General Morgan

Nicholas Cascone as Greenberg

Bruce Jarchow as Barnes

Benjamin Mouton as Higgins

Donna Garrett as Miss Haines

Andrew Robinson as Hawthorne

Bill Blair as Slugged Businessman (uncredited)