Whale (voice)

Rob Brydon

Snail (voice)

Sally Hawkins

Narrator (voice)

Diana Rigg

Teacher (voice)

Cariad Lloyd

Fish (voice)

Max Lang

Author

Julia Donaldson

Casting

Karen Lindsay-Stewart

Director

Max Lang

Writer

Max Lang

Producer

Michael Rose

Producer

Martin Pope

Director

Daniel Snaddon

Music Editor

Robin Morrison

Original Music Composer

René Aubry

Writer

Suzanne Lang

Author

Axel Scheffler

Lead Animator

Samantha Cutler