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Determined to prove his importance on Sodor, Thomas takes James’ trucks and sets off on a big adventure to the Mainland. On the way he makes friends with the cheerful and helpful “Experimental Engines” but, after a wrong turn, finds himself lost in the steelworks. There, Thomas encounters two mysterious engines who instantly make him feel welcome but who aren’t what they first seem... After Thomas fails to return, James sets off to the Mainland but runs into trouble himself and it is up to Thomas and the Experimental Engines to save the day. Join Thomas in a tale of daring escapes, heroic rescues and discover that true friendship comes in all shapes and sizes.
Original Release
06/07/2017
US Release
08/08/2017
Cast
| Name | Character |
|---|
| Mark Moraghan | Narrator (UK & US) (voice) / Narrator |
| John Hasler | Thomas (UK) / Thomas (UK) (voice) |
| Joseph May | Thomas (US) / Thomas (US) (voice) |
| Darren Boyd | Theo (UK & US) / Theo (voice) |
| Sophie Colquhoun | Frankie (UK & US) / Frankie (voice) |
| Jim Howick | Hurricane (UK & US) / Hurricane (voice) |
| Colin McFarlane | Beresford (voice) / Beresford |
| Lucy Montgomery | Lexi (voice) / Lexi / Troublesome Trucks |
| Jules de Jongh | Emily (US) / Emily (US) (voice) |
| Teresa Gallagher | Emily (UK) / Annie and Clarabel (UK & US) / Emily (UK), Annie and Clarabel (UK & US) (voice) |
Directors
Writers
Creators
Cast
| Name | Character |
|---|
| Mark Moraghan | Narrator (UK & US) (voice) / Narrator |
| John Hasler | Thomas (UK) / Thomas (UK) (voice) |
| Joseph May | Thomas (US) / Thomas (US) (voice) |
| Darren Boyd | Theo (UK & US) / Theo (voice) |
| Sophie Colquhoun | Frankie (UK & US) / Frankie (voice) |
| Jim Howick | Hurricane (UK & US) / Hurricane (voice) |
| Colin McFarlane | Beresford (voice) / Beresford |
| Lucy Montgomery | Lexi (voice) / Lexi / Troublesome Trucks |
| Jules de Jongh | Emily (US) / Emily (US) (voice) |
| Teresa Gallagher | Emily (UK) / Annie and Clarabel (UK & US) / Emily (UK), Annie and Clarabel (UK & US) (voice) |
| Rasmus Hardiker | Philip (UK & US) / Philip (UK & US) (voice) |
| William Hope | Edward (US) / Toby (US) / Two Troublesome Truck (UK & US) |
| Steven Kynman | The Knapford Station Worker / Steelworks Workers |
| Rob Rackstraw | James (UK & US) / Toby (UK) / Troublesome Trucks (UK & US) / James (UK & US), Toby (UK), Troublesome Trucks (UK & US) (voice) |
| Nigel Pilkington | Percy (UK) |
| Christopher Ragland | Percy (US) / Troublesome Trucks (UK & US) / Percy (US), Troublesome Trucks (UK & US) (voice) |
| John Schwab | A Bridlington Diesel (UK & US) / Ulli (UK & US) |
| Nicola Stapleton | Rosie (UK & US) / Rosie (UK & US) (voice) |
| Keith Wickham | Edward (UK) / Henry (UK) / Gordon (UK) / Sir Topham Hatt (UK & US) / Workmen (UK & US) / Edward, Henry, Gordon and the Fat Controller (voice) |
| Hugh Bonneville | Merlin (UK & US) / Merlin (voice) |
Producers
| Name | Role |
|---|
| Kallan Kagan | Executive Producer |
| Christopher Keenan | Executive Producer |
| Phil Lafrance | Executive Producer |
| Jamie LeClaire | Executive Producer |
| Kyle MacDougall | Executive Producer |
| Tracy Blagdon | Producer |
| Oliver Davis | Producer |
| Ian McCue | Producer |
| Micaela Winter | Producer |
