Kaitlyn Maher as Ella (voice)

Carter Hastings as Ricky (voice)

Alan Shearman as Sammy (as Johnny Wesley) (voice)

Khary Payton as Ray (as Thomas Lee) (voice)

Carlos Alazraqui as Big D / Maurice Penguin (voice)

Joe J. Thomas as Lulu the Lobster (voice)

Jeff Dunham as Jimbo (voice)

Dino Andrade as Manuel Hogfish (voice)

April Stewart as Consuelo Hogfish / Rosie Penguin (as Bridget Gonzalez) (voice)

Chris Andrew Ciulla as Russian Snowcrab (as Chris Ciulla) (voice)

Terri Douglas as Little Fish (voice)

John Kassir as Marco (as Michel Goldstein) (voice)

Joey D'Auria as Moray Eel Philippe (as Joseph W. Terry) (voice)

Robin Atkin Downes as Diver (as George Babbit) (voice)

Cinda Adams as Veterinarian (voice)

Lex Lang as Big Frenchman (voice)

Cam Clarke as Seagull (as Clark Kelly) (voice)

Douglas Ryan Roth as Seagull (voice)

Max Casella as Seagull (voice) (uncredited)

Kyle Hebert as Seagull (voice)

Eric Bauza as Manager / Ray Fish (as Jaylen Ahmadyar) (voice)

Grey DeLisle as Shelly (as Millie Mup) (voice)

Roxanne Reese as Rita (voice)

Michael McConnohie as Security Guard (voice)

Domonic Paris as Large Fisherman (as Sirap Mod) (voice)

Willie James Warren Jr. as Jamaican Fisherman (voice)

Michael Sun Lee as Japanese Fisherman (voice)

Lara Cody as Big D's Girlfriend (as Lauren Valente) (voice)

Sam Riegel as Jax (as Michael Philip) (voice)

Camille Labadie as Baby Octopus Annabel (voice)

Bridget Hoffman as Mother Octopus Margaret (as Deanne Basque) (voice)

Doug Stone as Hammerhead Shark Albert (voice)

Darren Capozzi as Tremaine (voice)

Patrick Seitz as Toots / Bodyguard (voice)

Jimmy Zoppi as Ray Fish (as Matt Hart) (voice)

Brianne Siddall as Prince (as Murray Blue) (voice)

Cassidy Naber as Prince (voice)

Dylan Shepherd as Prince (voice)

Jack Shepherd as Hatchling (voice)

Mari Devon as American Woman (as Jane Alan) (voice)

Keegan Thomas as American Boy (as Cameron Thomas) (voice)

Elisa Gabrielli as Patron (voice)