When delusional madman Roxor kidnaps a scientist in hopes of using his death ray to achieve world dominance, he is opposed by Chandu, a powerful hypnotist and yogi.
| Directing | William Cameron Menzies | Director |
| Directing | Marcel Varnel | Director |
| Writing | Barry Conners | Screenplay |
| Writing | Philip Klein | Screenplay |
| Crew | Harry A. Earnshaw | Radio Play |
| Crew | Vera M. Oldham | Radio Play |
| Crew | R.R. Morgan | Radio Play |
| Camera | James Wong Howe | Director of Photography |
| Editing | Harold D. Schuster | Editor |
| Art | Max Parker | Art Direction |
| Directing | Walter Mayo | Assistant Director |
| Crew | Joseph E. Aiken | Sound Recordist |
| Costume & Make-Up | Earl Luick | Costume Design |
| Camera | Anthony Ugrin | Still Photographer |
| Camera | Irving Rosenberg | Camera Operator |
| Sound | R. H. Bassett | Music |
| Sound | Peter Brunelli | Music |
| Sound | Louis De Francesco | Music |
| Sound | Glen Knight | Music |
