When Gordon needs help, Thomas takes on extra work alone to prove himself. But a busy day on Sodor shows that even useful engines need their friends.

Henry Golding
as Narrator (voice)

Harry Sparkes
as Thomas (voice)

Rowan Alltraine
as Kid A (voice)

Rory Barnett
as Farmer McColl / Engineer (voice)

Django Bevan
as Gordon (voice)

Iliana Vargas Brock
as Rosie (voice)

Oscar Elliott
as Percy (voice)

Jenny Fitzpatrick
as Woman (voice)

Gene Foad
as Sir Topham Hatt (voice)

Elliott Garcia
as Bruno (voice)