Narrator (voice)

Thomas / Percy (voice)

Belle / Annie / Clarabel / Children (voice)

Stephen (voice)

Flynn / Charlie (voice)

Rocky / Railway Inspector (voice)

Butch / Railway Inspector / Duck (voice)

Sir Topham Hatt / James / Henry / Kevin / Gordon / Harold / Headkeeper Jack (voice)

Bill / Ben (voice)

Connor (voice)

Victor (voice)

Hiro (voice)

Railway Inspector / Salty (voice)

Cranky (voice)

Mr. Perkins