as Brig. Gen. Robert O'Brien
as Emir Hassan
as Dr. Franz Edelmann
as Sam Bellows
as Dr. Matt Higgins
as Igor Braun
as Dr. Walters
as Johnny Achilles
as Jack Lestrade
as Rudolph Von Preissing
as Pecos Kane
as John Grayson
as Brock Danvers
as Dr. Roy Stark
as John P. Tedesco
