Dr. Steven Sorenson plans to tap the geothermal energy of the Earth's interior by means of a thermonuclear device detonated deep within the Earth. This experiment causes a crack to form and grow within the Earth's crust, which threatens to split the earth in two if it is not stopped in time.
You can now watch Crack in the World online on the following streaming providers in the United States.
| Directing | Andrew Marton | Director |
| Production | Bernard Glasser | Producer |
| Production | Lester A. Sansom | Producer |
| Writing | Jon Manchip White | Story |
| Writing | Jon Manchip White | Screenplay |
| Writing | Julian Zimet | Screenplay |
| Camera | Manuel Berenguer | Director of Photography |
| Production | Philip Yordan | Executive Producer |
| Sound | Johnny Douglas | Original Music Composer |
| Editing | Derek Parsons | Editor |
| Art | Eugène Lourié | Art Direction |
| Costume & Make-Up | Laure Lourié | Costume Design |
| Costume & Make-Up | Carmen Martín | Makeup Artist |
| Costume & Make-Up | Josefa Rubio | Hairstylist |
| Production | Tíbor Reves | Production Manager |
| Crew | Eugène Lourié | Special Effects |
| Crew | Alex Weldon | Special Effects |
| Directing | José María Ochoa | Assistant Director |
| Sound | Maurice Askew | Sound Recordist |
| Sound | Kurt Herrnfeld | Sound Editor |
| Sound | David Hildyard | Sound Recordist |
| Sound | Johnny Douglas | Conductor |
| Directing | Isabel Ruiz Capillas | Script Supervisor |
