David Stoten Director John Hasler Thomas Voice Teresa Gallagher Emily Voice Keith Wickham Gordon , Bertie , Sir Topham Hatt Voice Rob Rackstraw James Voice Nigel Pilkington Percy Voice Matt Wilkinson Winston Voice Christopher Ragland Troublesome Trucks Voice Peter Andre Ace Voice Bob Golding Sidney Voice Yvonne Grundy Nia Actor Andrew Brenner Screenwriter Micaela Winter Producer Christopher Keenan Executive Producer Phil Lafrance Executive Producer Jamie Leclaire Executive Producer Kyle MacDougall Executive Producer Gavin Ebedes Film Editing Chris Renshaw Original Music Tigh Walker Art Director