Edited version of the 1942 Republic serial "Spy Smasher," cut down to one hour and sold for TV release in 1966 in a syndication package with other truncated Republic serials.
as Alan Armstrong / Spy Smasher / Jack Armstrong
as Eve Corby
as Admiral Corby
as The Mask
as Capt. Pierre Durand
as Capt. Gerhardt
as Gov. LeConte
as Col. Von Kahr
as Ritter Lazar
as Lawlor
as Crane
as Hayes
as Dr. Hauser
as Steve
as Storm Trooper Captain (uncredited)
as Train Porter (uncredited)
as Armored Car Driver (uncredited)
as Gerald Douglas (uncredited)
as Thornton (uncredited)