Angie Gillespie
— Narrator / Joy (voice)
KJ Schrock
— Professor Shark / Boo Cakes / Mr Sushi (voice)
Victor Merchan
— Henry (voice)
Sarah Taylor
— Muggles / Delfi / Scales / Snaps (voice)
Lizzy Carter-Burns
— Fizzy (voice)
Darren Richardson
— Pickles (voice)
Lanny Norris
— Orbit / Button (voice)
Jerry Davis
— Mr Flips (voice)
Aidan McCreary
— Pete (voice)
Tina Shuster
— Rosie / Mrs Wuddly / Fizzy / Bitsy / Patty (voice)