William Sargent

as Hurath (voice)

as Endor (voice)

as Blacksmith (voice)

as Goldman

as Harley Rawls

as Pilot

as Dr. Ken Harrison

as Dr. John Devin

as Dr. Edward Stoner

as Dr. Thomas Leighton

as Sgt. Denny

as Peter Granville

as Walter Fletcher

as Dr. Stone

as Lt. Col. Count von Stauffenberg

as Project Manager

as Dr. Mel Avery