Jack Armstrong, alias "Spy Smasher", vecht tegen The Mask, een Nazi schurk, die een bende van saborteurs leidt om een spoor van vernielingen in de Verenigde Staten achter te laten.
Nee, helaas is Spy Smasher nog niet beschikbaar op Netflix in Nederland.
| Directing | William Witney | Director |
| Writing | Joseph F. Poland | Screenplay |
| Editing | Tony Martinelli | Editor |
| Writing | Ronald Davidson | Screenplay |
| Writing | Norman S. Hall | Screenplay |
| Crew | Bill Wilkens | Stunts |
| Writing | William Lively | Screenplay |
| Editing | Edward Todd | Editor |
| Crew | Yakima Canutt | Stunts |
| Crew | Howard Lydecker | Special Effects |
| Crew | Charles L. Lootens | Sound Recordist |
| Crew | Jerry Jerome | Stunts |
| Crew | Tommy Coats | Stunts |
| Crew | Daniel J. Bloomberg | Sound Recordist |
| Crew | Carey Loftin | Stunts |
| Production | William J. O'Sullivan | Producer |
| Crew | Theodore Lydecker | Special Effects |
| Crew | John Daheim | Stunts |
| Crew | Bert LeBaron | Stunts |
| Crew | Loren Riebe | Stunts |
| Writing | Joseph O'Donnell | Screenplay |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Crew | James Fawcett | Stunts |
| Crew | Duke Green | Stunts |
| Crew | Tom Steele | Stunts |
| Crew | Charles Regan | Stunts |
| Crew | Cy Slocum | Stunts |
| Crew | Duke Taylor | Stunts |
| Crew | David Sharpe | Stunts |
| Crew | Buddy Roosevelt | Stunts |
| Crew | Bud Wolfe | Stunts |
| Crew | Sid Troy | Stunts |
| Camera | Reggie Lanning | Director of Photography |
| Sound | Mort Glickman | Original Music Composer |
| Crew | Ken Terrell | Stunts |
