Mr. Fish (voice)

Nick Offerman

Pip (voice)

Nina Oyama

The Pink Dolphins – Brigitta, Greta and Karina (voice)

Amy Sedaris

Marin (voice)

Miranda Otto

Shimmer (voice)

Jordin Sparks

Clam / Fish #2 (voice)

Nadine Bates

Benji (voice)

Remy Hii

Fish #1/Mail Fish/Poppa Fish/Fish #4/Cuttlefish #1/Chuck/Cuttlefish Worker #1/Fish Critic

Christopher James Baker

Hector (voice)

Mark Coles Smith

Fish #3 (voice)

Kristen Souvlis

Archie (voice)

Nazeem Hussain

Shaz (voice)

Mel Buttle

Lobster #1 (voice)

Andrew Cook

Baz (voice)

Bessie Holland

Beautiful Mike (voice)

Grant Denyer

Whale (voice)

Anne Edmonds

Pufferfish (voice)

David P. Smith

Hermit Crab / Sea Cucumber #1 (voice)

Ricard Cussó

Bioluminescent Eel (voice)

Lloyd Langford

Sea Snail (voice)

Josef Switak

Lobster #2 (voice)

Sophie Henderson

Red Starfish / Cuttlefish Worker #2 / Pip's Dad (voice)

Andrew Buchanan

Sea Cucumber #2 (voice)

Annabel Maloney

Crab Mum / Pip's Mum (voice)

Giema Contini

Young Mr. Fish / Crab Son / Whale Pup (voice)

Lucas Haddrick

Green Starfish (voice)

Benjamín Gorroño

Guided Meditation Voice (voice)

Sarra Watts