Jessie T. Usher

Quinn (voice)

J.K. Simmons

Claggart (voice)

Matthew Rhys

Grimes (voice)

Kristen Schaal

Beth (voice)

Patrick Warburton

Geraldo (voice)

Sharlto Copley

Switch (voice)

Camille Mana

Jing (voice)

John Kani

Brick (voice)

Dolph Lundgren

Dolph (voice)

Seal

Seal Seal (voice)

Bumper Robinson

HMMF Animal Handler / Chum (voice)

Julian Alexander Smith

Benji (voice)

Rick Zieff

Crunch (voice)

Richard Steven Horvitz

Snap (voice)

Vivienne Rutherford

Sam (voice)

Anjali Bhimani

Crabby Stabby / Seals / Sharks (voice)

Jan Johns

Mayday / Geraldo's Watch / Seals / Sharks / Octopi (voice)

Kate Micucci

Diving Dee (voice)

Daran Norris

Roger / Radio DJ (voice)

Matthew Mercer

Dave / Sharks (voice)

Jenny Yokobori

Geraldo's Watch / Seals / Octopi (voice)

Secunda Wood

Scarlet (voice)

Julia Anastasopoulos

Tour Guide (voice)

Greig Cameron

Harbor Seals / Seals / Sharks (voice)

Rob van Vuuren

Harbor Seals (voice)

Louw Venter

Harbor Seals (voice)

Tarryn Wyngaard

Harbor Seals (voice)

Jody J. Abrahams

Guards (voice)

Zolani Mahola

Guards (voice)

Bob Bergen

Seals / Octopi / Dolphin Sounds (voice)

Jason E. Kelley

Seals (voice)

Catherine Taber

Seals (voice)

Rodger Bumpass

Sharks (voice)

Bill Farmer

Seals (voice)

Neil Leachman

Seals / Sharks (voice)

Brendan Sean Murray

Seals / Sharks (voice)

Remy Edgerly

Seals (voice)

Joe Ochman

Seals (voice)

Genevieve Flati

Seals (voice)

Matthew Wood

Seals / Sharks (voice)

Kristina Mueller

Sharks (voice)

Brent Mukai

Sharks (voice)

Sarah Natochenny

Sharks (voice)

Quinton Flynn

Sharks (voice)

Ryan Robinson

Sharks (voice)

Lindsay Sheppard

Sharks (voice)