Mark Moraghan
Narrator (voice)

John Hasler
Thomas (voice)

Eddie Redmayne
Ryan (voice)

John Hurt
Sailor John (voice)

Jamie Campbell Bower
Skiff (voice)

Olivia Colman
Marion (voice)

Tom Stourton
Rex (voice)

Steven Kynman
Duck (voice)

Teresa Gallagher
Emily / Daisy / Annie / Clarabel (voice)

Keith Wickham
Edward / Henry / Gordon / James / Percy / Salty / Bert / Bertie / Sir Topham Hat...

David Bedella
Victor (voice)

Rob Rackstraw
Toby (voice)

Tim Whitnall
Mike / Oliver (voice)

Jonathan Broadbent
Bill / Ben (voice)

Matt Wilkinson
Cranky / Kevin (voice)

Joe Mills
Donald / Douglas / Oliver / Toad (voice)