PLEASE DO NOT REVEAL THE ENDING IN THE COMMENTS OR THE COMMENTS WILL BE DELETED! Heres a good mystery for my series. The Engines are all baffled when an unknown engine is racing across the Island, and the question is who? Cast: Thomas: RightonTracks10 . Boco: Andrew Homer Bear: KnapfordProductions Bertie: KnapfordProductions Diesel: DarthWill3 James: Andrew Homer Duke: Andrew Homer Edward: EnterprisingEngine93 Everyone Else: Me Music: Bridge of Khazad Dum by Howard Shore from the Lord of the Rings: The Fellowship of the Ring