Peter Donat

as Jack Hall

as David McAndrews

as Samuel Sutherland

as Headmaster Bartram

as Frazee

as Jason Larrabee

as Sparky

as Kerner

as Novak

as Will Campbell

as Harold

as Harley Dennis

as Don Jacovich

as Sills

as Arthur St. Clair

as Dr. Philip Godard

as Ralph Butler

as Col. H. Norman Schwarzkopf

as Reed Channing

as Inspector McDermott

as David Ormsby-Gore, British Ambassador to U.S.