Mark Moraghan

Narrator (voice)

John Hasler

Thomas (voice)

Keith Wickham

Edward / Henry / Gordon / The Fat Controller / Steelworks Workers (voice)

Rob Rackstraw

James / Toby / Troublesome Trucks (voice)

Nigel Pilkington

Percy / Trevor (voice)

Teresa Gallagher

Emily / Annie / Clarabel (voice)

Nicola Stapleton

Rosie (voice)

Darren Boyd

Theo (voice)

Lucy Montgomery

Lexi / Slate Trucks (voice)

Jim Howick

Hurricane (voice)

Hugh Bonneville

Merlin (voice)

Rasmus Hardiker

Philip (voice)

John Schwab

Ulli / Mainland Diesel (voice)

Sophie Colquhoun

Frankie (voice)

Kerry Shale

Troublesome Trucks / Kevin (voice)

Christopher Ragland

Troublesome Trucks / Jem Cole / Orchard Workers (voice)

William Hope

Troublesome Trucks / Farmer McColl (voice)

Colin McFarlane

Beresford (voice)

Steven Kynman

Knapford Station Worker / Steelworks Worker (voice)

David Bedella

Victor (voice) (uncredited)