Thomas is on a mission to prove he’s the most helpful engine on Sodor! When Thomas finds out that Percy and Gordon all have a mission for their day, Thomas goes on a mission to find a big important job to do!
Narrator (voice)
Thomas (voice)
Kid A (voice)
Farmer McColl / Engineer (voice)
Gordon (voice)
Rosie (voice)
Percy (voice)
Woman (voice)
Sir Topham Hatt (voice)
Bruno (voice)
Deepak (voice)
Kid B (voice)
Henry (voice)
