Survivors of a sinking ship are rescued by Captain Nemo and his submarine crew. They are taken to an underwater city where they may spend the rest of their lives.
| Writing | Pip Baker | Writer |
| Writing | R. Wright Campbell | Writer |
| Directing | James Hill | Director |
| Writing | Jane Baker | Writer |
| Art | Reg Bream | Assistant Art Director |
| Writing | Jules Verne | Characters |
| Production | Bertram Ostrer | Producer |
| Production | Steven Pallos | Executive Producer |
| Sound | Angela Morley | Original Music Composer |
| Camera | Alan Hume | Director of Photography |
| Editing | Bill Lewthwaite | Editor |
| Production | Irene Howard | Casting |
| Art | William C. Andrews | Art Direction |
| Art | Hazel Peiser | Set Decoration |
| Costume & Make-Up | Olga Lehmann | Costume Design |
| Costume & Make-Up | Ernest Gasser | Makeup Artist |
| Costume & Make-Up | Alice Holmes | Hairstylist |
| Production | Albert Becket | Production Supervisor |
| Production | Terry Lens | Production Manager |
| Directing | Ted Lewis | Assistant Director |
| Directing | Raymond Becket | Third Assistant Director |
| Directing | Paddy Carpenter | Second Assistant Director |
| Art | Peter Sheilds | Draughtsman |
| Art | Brian Muir | Sculptor |
| Sound | Cyril Swern | Sound |
| Sound | A.W. Watkins | Sound Supervisor |
| Sound | Jim Sibley | Sound Editor |
| Sound | Bob Jones | Sound Mixer |
| Crew | Richard Conway | Special Effects |
| Crew | George Gibbs | Special Effects |
| Crew | Jack Mills | Special Effects |
| Crew | Fritz Ford | Stunts |
| Crew | Joe Dunne | Stunt Coordinator |
| Crew | Cyd Child | Stunts |
