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.
| Editing | Tony Martinelli | Editor |
| Writing | Joseph F. Poland | Screenplay |
| Crew | Theodore Lydecker | Special Effects |
| Crew | Bert LeBaron | Stunts |
| Writing | Ronald Davidson | Screenplay |
| Crew | Charles L. Lootens | Sound Recordist |
| Crew | Jerry Jerome | Stunts |
| Crew | Tommy Coats | Stunts |
| Crew | John Daheim | Stunts |
| Crew | James Fawcett | Stunts |
| Writing | Joseph O'Donnell | Screenplay |
| Writing | William Lively | Screenplay |
| Production | William J. O'Sullivan | Producer |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Crew | Yakima Canutt | Stunts |
| Editing | Edward Todd | Editor |
| Crew | Daniel J. Bloomberg | Sound Recordist |
| Crew | Duke Green | Stunts |
| Directing | William Witney | Director |
| Writing | Norman S. Hall | Screenplay |
| Crew | Howard Lydecker | Special Effects |
| Crew | Bud Wolfe | Stunts |
| Crew | Sid Troy | Stunts |
| Crew | Duke Taylor | Stunts |
| Crew | Cy Slocum | Stunts |
| Crew | Charles Regan | Stunts |
| Crew | Buddy Roosevelt | Stunts |
| Crew | David Sharpe | Stunts |
| Crew | Carey Loftin | Stunts |
| Crew | Loren Riebe | Stunts |
| Crew | Tom Steele | Stunts |
| Crew | Bill Wilkens | Stunts |
| Camera | Reggie Lanning | Director of Photography |
| Sound | Mort Glickman | Original Music Composer |
| Crew | Ken Terrell | Stunts |
