Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
Unfortunately the movie The Master Key is not yet available on HBO Max.
Writing | George H. Plympton | Screenplay |
Directing | Ray Taylor | Director |
Writing | Jack Natteford | Story |
Writing | Joseph O'Donnell | Screenplay |
Crew | David Sharpe | Stunts |
Editing | Ace Herman | Editor |
Editing | Irving Birnbaum | Editor |
Crew | Ken Terrell | Stunts |
Crew | Dale Van Sickel | Stunts |
Crew | Carl Mathews | Stunts |
Editing | Jack Dolan | Editor |
Directing | Lewis D. Collins | Director |
Editing | Edgar Zane | Editor |
Crew | Chuck Hamilton | Stunts |
Writing | Ande Lamb | Screenplay |
Editing | Alvin Todd | Editor |
Crew | Tom Steele | Stunts |
Writing | Dwight V. Babcock | Story |
Production | Morgan Cox | Producer |
Camera | Maury Gertsman | Director of Photography |
Camera | William A. Sickner | Director of Photography |