Mark Moraghan

Narrator (voice)

Joseph May

Thomas (voice)

Olivia Colman

Marion (voice)

William Hope

Toby (voice)

Miranda Raison

Millie (voice)

Togo Igawa

Hiro (voice)

Tracy-Ann Oberman

Daisy (voice)

Maggie Ollerenshaw

Henrietta (voice)

Mike Grady

Sir Robert Norramby (voice)

Kerry Shale

Gordon / Diesel / Harold (voice)

Keith Wickham

Glynn / Sir Topham Hatt (voice)

Teresa Gallagher

Annie / Clarabel / Passenger (voice)