Cast & crew
Mega Shark vs. Giant Octopus (2009)
Directed by Jack Perez Written by Jack Perez
Cast
| Vic Chao | Seiji Shimada |
| Michael Teh | Takeo |
| Chris Haley | Kenji |
| Jonathan Nation | Vince |
| Mark Hengst | Dick Ritchie |
| Dustin Harnish | Helmsman |
| Dean Kreyling | U.S. Sub Captain |
| Dana DiMatteo | Marine Biologist |
| Myles Cranford | Deputy |
| Stephen Blackehart | U.S. Sub Sonar Chief |
| Dana Healey | Naval Officer |
| John Bolen | Weapons Officer |
| Russ Kingston | Admiral Scott |
| Larry Wang Parrish | Japanese Typhoon Captain |
| Sergio Kato | FBI Agent (uncredited) |
| Aki Hiro | Typhoon Navigator |
| John Gilligan | Destroyer Sonar Man |
| Michael Allendorf | Radioman |
| Colin Broussard | Radioman |
| David Meador | Blackbird Pilot |
| Jay Beyers | Pilot / Deck Officer |
| Michael C. Parisi | Passenger |
| Michael Drummond | Passenger |
| Molly Drummond | Passenger |
| Knayi Clement | Passenger |
| Brandon Plemons | Sailor |
| Conrad Lihilihi | Background |
| Rebecca Helm | Background |
| Chan Park | Background |
| Jason Covington | Background |
| Alan Woods | Background |
| Ángela Guerrero | Background |
| James Rolls | Background |
| Julia Torchine | Background |
| Sharon Stockbridge | Background |
| Lorenzo Lamas | Allan Baxter |
| Debbie Gibson | Emma MacNeil |
| Sean Lawlor | Lamar Sanders |
| Stephanie Gernhauser | Sub Commander |
| Cooper Harris | Sonar Tech |
| Matt Lagan | Destroyer Captain |
| Hunter Ives | Destroyer Sonar Man |
| Douglas N. Hachiya | Destroyer Sonar Tech |
| Mikos Zavros | Navigator |
| Elijah Flores | FBI Agent |
| Daniel Schachtel | FBI Agent |
| Nathan Sikes | FBI Agent |
| Emily Lavigna | Passenger |
| Michelle Hodnett | Passenger |
| Silje Gruner | Passenger |
| Joey Ruggles | Passenger |
| Chuck Willis | Background |
| Craig Childress | Background |
| Jay Cynik | Background |
| Andre H. Bassett | Backrground |
| Artem Shatokhin | Background |
Crew
| David Meador | Second Second Assistant Director |
| Alexander X. Hutchinson | Second Assistant Director |
| Jack Perez | Screenplay |
| Jack Perez | Director |
| Silje Gruner | Production Assistant |
| Knayi Clement | Production Assistant |
| Rebecca Helm | Production Assistant |
| Jonathan Kim | First Assistant Camera |
| Michael C. Parisi | Production Manager |
| John E. Ruiz | Second Assistant Camera |
| Giap Vu | Best Boy Grip |
| Ben Forman | Sound Mixer |
| Jay Cynik | Sound Mixer |
| Mark Quod | Post Production Supervisor |
| Sergio Rios | Post Production Assistant |
| Brett Bach | Sound Supervisor |
| Lisa Ries | Sound Editor |
| Mark Quod | Colorist |
| David Jones | Visual Effects Supervisor |
| Reza Riazi | Epk Producer |
| Kyle Dickens Poland | EPK Editor |
| Keijiro Hara | Thanks |
| Yuki Kaneko | Thanks |
| Paul Bales | Associate Producer |
| Mike Sano | Thanks |
| Betsy | Thanks |
| Benji | Thanks |
| Tom Devlin | Special Effects Makeup Artist |
| David Rimawi | Executive Producer |
| Megan Nicoll | Makeup Designer |
| David Michael Latt | Producer |
| Chris Ridenhour | Original Music Composer |
| Alexander Yellen | Director of Photography |
| Anthony Fankhauser | Line Producer |
| Nino Zagaroli | Art Direction |
| Marq Morrison | Editor |
| Ross Edgar | Visual Effects Coordinator |
| Xavier S. Puslowski | First Assistant Director |
| Nino Zagaroli | Production Design |
| Michelle Hodnett | Costume Design |
| Scott D. Wheeler | Visual Effects Producer |
| Jorge Kunze | Best Boy Electric |
| James Vieira | Set Dresser |
| Matt Hoefler | Key Grip |
| Orlando Ordonez | Gaffer |
| Harper Smith | Still Photographer |