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.
| Actor | Role |
|---|---|
 Kane RichmondAlan Armstrong / Spy Smasher / Jack Armstrong | Alan Armstrong / Spy Smasher / Jack Armstrong |
 Marguerite ChapmanEve Corby | Eve Corby |
 Sam FlintAdmiral Corby | Admiral Corby |
 Hans SchummThe Mask | The Mask |
| FFranco CorsoCapt. Pierre Durand | Capt. Pierre Durand |
| HHans von MorhartCapt. Gerhardt | Capt. Gerhardt |
 Georges RenaventGov. LeConte | Gov. LeConte |
 Rudolph AndersCol. Von Kahr | Col. Von Kahr |
| HHenry ZyndaRitter Lazar | Ritter Lazar |
 Paul BryarLawlor | Lawlor |
 Tom LondonCrane | Crane |
 Richard BondHayes | Hayes |
 Crane WhitleyDr. Hauser | Dr. Hauser |
 John JamesSteve | Steve |
| FFrank AltenStorm Trooper Captain (uncredited) | Storm Trooper Captain (uncredited) |
 Dudley DickersonTrain Porter (uncredited) | Train Porter (uncredited) |
 Yakima CanuttArmored Car Driver (uncredited) | Armored Car Driver (uncredited) |
 William ForrestGerald Douglas (uncredited) | Gerald Douglas (uncredited) |
| AArvon DaleThornton (uncredited) | Thornton (uncredited) |