An atomic scientist is found floating in a river with a bullet in his back and a radioactive halo around his body. The radioactivity has put him seven-and-a-half seconds ahead of us in time. He teams up with a reporter to stop his evil double from destroying his experiments in artificial tungsten.
| Editing | Geoffrey Muller | Editor |
| Production | Alec C. Snowden | Producer |
| Camera | A.T. Dinsdale | Director of Photography |
| Writing | Charles Eric Maine | Screenplay |
| Directing | Ken Hughes | Director |
| Crew | Dick Smith | Sound Recordist |
| Art | George Haslam | Art Direction |
| Costume & Make-Up | June Robinson | Hairstylist |
| Camera | Ron Robson | Camera Operator |
| Costume & Make-Up | Jack Craig | Makeup Artist |
| Sound | Jim Groom | Sound Editor |
| Directing | Ted Sturgis | Assistant Director |
| Directing | Denis Johnson | Assistant Director |
| Writing | Charles Eric Maine | Novel |
| Production | Jim O'Connolly | Production Manager |
| Directing | Marjorie Owens | Continuity |
| Sound | Ronald Abbott | Sound Recordist |