Giants Mollusks are released from the earth by an earthquake and start killing people.
Is The Monster That Challenged the World on Netflix? Unfortunately the movie The Monster That Challenged the World is not yet available on Netflix.
| Writing | David Duncan | Story |
| Directing | Arnold Laven | Director |
| Sound | Heinz Roemheld | Conductor |
| Production | Virginia Mazzuca | Production Assistant |
| Sound | Joel Moss | Sound Recordist |
| Sound | Charles Althouse | Sound Recordist |
| Production | Arthur Gardner | Producer |
| Writing | Pat Fielder | Screenplay |
| Production | Kerwin Coughlin | Casting |
| Crew | Augie Lohman | Special Effects |
| Camera | Lester White | Director of Photography |
| Art | James Dowell Vance | Art Direction |
| Production | Jules V. Levy | Producer |
| Editing | John Faure | Editor |
| Sound | Heinz Roemheld | Original Music Composer |
| Art | Rudy Butler | Set Decoration |
| Directing | Paul Stader | Other |
| Costume & Make-Up | Olga Collings | Hairstylist |
| Crew | Ted Haworth | Other |
| Costume & Make-Up | Allen Sloane | Wardrobe Supervisor |
| Crew | Norman Bishop | Technical Supervisor |
| Crew | Robert H. Crandall | Other |
| Camera | Scotty Welbourne | Underwater Director of Photography |
| Costume & Make-Up | Abe Haberman | Makeup Artist |
| Sound | Heinz Roemheld | Music Director |
| Sound | Charles Althouse | Sound Mixer |
| Directing | Maurice Vaccarino | Assistant Director |
| Camera | Paul Eagler | Other |
| Sound | B. F. Remmington | Sound Recordist |