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)

Joe Mills as Douglas (voice)

Bob Golding as Stephen (voice)

Kerry Shale as Diesel (voice)

Keith Wickham as Glynn / Sir Topham Hatt (voice)

Teresa Gallagher as Annie / Clarabel / Passenger (voice)

Rob Rackstraw as Donald / The Bird Watcher / Douglas' Driver (voice)