Mark Moraghan

Narrator (voice)

John Hasler

Thomas / Rheneas (voice)

Keith Wickham

Edward / Henry / Gordon / James / Salty / Den / Norman / Skarloey / Sir Handel / The Fat Controller / Various (voice)

Nigel Pilkington

Percy (voice)

Steven Kynman

Duck / Charlie / Porter / Dart / Paxton / Peter Sam (voice)

Joe Mills

Donald / Douglas / Oliver (voice)

Teresa Gallagher

Emily / Belle / Frieda / Gina / Daisy / Marion / Annie / Clarabel (voice)

Rufus Jones

The Flying Scotsman (voice)

Matt Wilkinson

Spencer / Stanley / Kevin / Cranky / Dock Manager (voice)

Kerry Shale

Scruff / Diesel (voice)

Bob Golding

Stephen / Sidney (voice)

Jonathan Forbes

Connor (voice)

Rebecca O'Mara

Caitlin (voice)

Tim Whitnall

Timothy / Mike (voice)

Robert Wilfort

Samson / Great Railway Show Judge (voice)

Tina Desai

Ashima (voice)

Rob Rackstraw

Axel / Raul / Carlos / Ivan / Etienne / Flynn / Great Railway Show Announcer (voice)

John Schwab

Vinnie (voice)

Rasmus Hardiker

Philip (voice)

David Bedella

Victor / Carlos (voice)

Jonathan Broadbent

Bill / Ben (voice) (uncredited)

Jules de Jongh

Emily (singing voice) (uncredited)

Christopher Ragland

Percy (singing voice) (uncredited)

Tom Stourton

Rex (voice) (uncredited)