Mark Moraghan

as Narrator (voice)

Olivia Colman

as Marion (voice)

Miranda Raison

as Millie (voice)

Togo Igawa

as Hiro (voice)

Tracy-Ann Oberman

as Daisy (voice)

Maggie Ollerenshaw

as Henrietta (voice)

Mike Grady

as Sir Robert Norramby (voice)