Bob is hired to provide Spring City with fresh water by constructing a dam that will transform an old quarry into a reservoir. He hires fellow builder Conrad to help clear the quarry along with his three Mega Machines, Ace, Crunch and Thud.
Joanne Froggatt....Wendy (UK & US) (voice)
Lee Ingleby....Bob (UK) (voice)
Steven Kynman....Lofty (UK) (voice)
Iain Lauchlan....Chef Tattie (UK & US) (voice)
Nick Mercer....Mr. Bentley (UK) (voice)
Lucy Montgomery....Mayor Madison (UK) (voice)
Terry Mynott....Tiny (UK) (voice)
Paul Panting....Muck (UK) (voice)
Filmography links and data courtesy of The Internet Movie Database.