Narrator / Joy (voice)

Professor Shark / Boo Cakes / Mr Sushi (voice)

Henry (voice)

Muggles / Delfi / Scales / Snaps (voice)

Fizzy (voice)

Pickles (voice)

Orbit / Button (voice)

Rosie / Mrs Wuddly / Fizzy / Bitsy / Patty (voice)

Mr Flips (voice)

Pete (voice)