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

Stuart Orme

Director