Mega Shark vs. Giant Octopus

Lorenzo Lamas

Allan Baxter

Debbie Gibson

Emma MacNeil

Sean Lawlor

Lamar Sanders

Vic Chao

Seiji Shimada

Jonathan Nation

Vince

Mark Hengst

Dick Ritchie

Michael Teh

Takeo

Chris Haley

Kenji

Dustin Harnish

Helmsman

Dean Kreyling

U.S. Sub Captain

Stephen Blackehart

U.S. Sub Sonar Chief

Dana DiMatteo

Marine Biologist

Myles Cranford

Deputy

Dana Healey

Naval Officer

John Bolen

Weapons Officer

Russ Kingston

Admiral Scott

Larry Wang Parrish

Japanese Typhoon Captain

Stephanie Gernhauser

Sub Commander

Cooper Harris

Sonar Tech

Matt Lagan

Destroyer Captain

Hunter Ives

Destroyer Sonar Man

Douglas N. Hachiya

Destroyer Sonar Tech

Sergio Kato

FBI Agent (uncredited)

Aki Hiro

Typhoon Navigator

John Gilligan

Destroyer Sonar Man

Michael Allendorf

Radioman

Colin Broussard

Radioman

Mikos Zavros

Navigator

Elijah Flores

FBI Agent

Daniel Schachtel

FBI Agent

Nathan Sikes

FBI Agent

David Meador

Blackbird Pilot

Jay Beyers

Pilot / Deck Officer

Michael C. Parisi

Passenger

Michael Drummond

Passenger

Molly Drummond

Passenger

Emily Lavigna

Passenger

Michelle Hodnett

Passenger

Silje Gruner

Passenger

Joey Ruggles

Passenger

Knayi Clement

Passenger

Brandon Plemons

Sailor

Conrad Lihilihi

Background

Rebecca Helm

Background

Chan Park

Background

Chuck Willis

Background

Craig Childress

Background

Jay Cynik

Background

Andre H. Bassett

Backrground

Artem Shatokhin

Background

Jason Covington

Background

Alan Woods

Background

Ángela Guerrero

Background

James Rolls

Background

Julia Torchine

Background

Sharon Stockbridge

Background