William Hopper

as Second Production Manager (uncredited)

as Dr. Nedrick 'Ned' Jackson

as Judy's Father

as Reporter (uncredited)

as Orderly (uncredited)

as Roy

as Col. Kenneth Penmark

as Sentry (uncredited)

as Neeley Bus Driver

as Sergeant (uncredited)

as Colonel Robert Calder

as Interne

as Paul Drake

as John Henry Jordan

as Tasker

as Capt. Jonathan Carroll

as Philip Harland

as Brad Scott

as Self - Host

as Jim Johanson

as George

as Dan Mailer