Narrator (voice)
Sir Robert Norramby (UK & US) (voice)
Mr. Perkins
Victor (UK & US) (voice)
Slip Coach (UK & US) (voice) (as Jonathan Broadbent)
Emily (US) / The Little Boy (US) (voice)
Connor (UK & US) (voice)
Emily (UK) / The Little Boy (UK) / Passengers (UK & US) (voice)
Edward (US) / Rocky (US) / The Dock Manager (US) (voice)
Hiro (UK & US) (voice)
Duck / Slip Coach (voice) (as Steve Kynman)
Luke (UK & US) (voice)
Gator (UK & US) (voice)
Oliver (UK & US) (voice)
Slip Coach (UK & US) (voice) (as Rebecca O' Mara)
Henry (US) / Gordon (US) / James (US) / Diesel (UK) / Sir Topham Hatt (US) / Mr. Percival (US) (voice)
Thomas (US) / Percy (US) / Diesel (US) (voice) (as Martin Sherman)
Thomas (UK) / Rheneas (UK & US) / Owen (UK & US) (voice)
Duncan (UK & US) (voice)
Reg (UK & US) (voice)
Edward (UK) / Henry (UK) / Gordon (UK) / James (UK) / Percy (UK) / Salty (UK & US) / Skarloey (UK & US) / The Fat Controller (UK) / The Thin Controller (UK) / Gator's Driver (UK) / Steamworks Worker (UK) / Passengers (UK & US) (voice)
Rusty (UK & US) / Rocky (UK) / Cranky (UK) / The Dock Manager (UK) (voice)
Cranky (US) / Gator's Driver (US) / Steamworks Worker (US) (voice)