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)