After conquering R'yleh and the Frozen Kingdom young Howard Lovecraft must now travel to the Undersea Kingdom in order to free his captured family, protect three mysterious magical books, and prevent the impending wrath of Cthulhu.
Unfortunately the movie Howard Lovecraft & the Undersea Kingdom is not yet available on Disney Plus.
| Visual Effects | Saumik Chaudhuri | Compositing Artist |
| Editing | Ryan Goebel | Editorial Services |
| Production | Sean Patrick O'Reilly | Producer |
| Visual Effects | Billy Zhao | Animation |
| Sound | Andrew Osano | Orchestrator |
| Editing | Rob Neilson | Colorist |
| Production | Michelle O'Reilly | Producer |
| Editing | Sean Phillip Rowe | Editor |
| Sound | Josh Plotner | Musician |
| Crew | Aaron Bartscht | Score Engineer |
| Writing | Sean Patrick O'Reilly | Writer |
| Directing | Sean Patrick O'Reilly | Director |
| Sound | George Streicher | Original Music Composer |
| Writing | Bruce Brown | Graphic Novel |
| Writing | Erik Fokkens | Graphic Novel |
| Writing | Thomas Boatwright | Graphic Novel |
| Writing | Dwight MacPherson | Graphic Novel |
| Writing | Sean Patrick O'Reilly | Graphic Novel |
| Writing | E.T. Dollman | Graphic Novel |
| Writing | H.P. Lovecraft | Author |
