Bob O Construtor Mega Machines

Lee Ingleby

as Bob (UK) (voice)

Joanne Froggatt

as Wendy (UK & US) (voice)

Brian Cox

as Conrad (UK & US) / Crunch (UK & US) (voice)

Dustin Demri-Burns

as Tread (UK) / Thud (UK) (voice)

Blake Harrison

as Scoop (UK & US) (voice)

Steven Kynman

as Lofty (UK) (voice)

Iain Lauchlan

as Chef Tattie (UK & US) (voice)

Nick Mercer

as Mr. Bentley (UK) (voice)

Ben Miles

as Ace (UK) (voice)

Lucy Montgomery

as Mayor Madison (UK) (voice)

Terry Mynott

as Tiny (UK) / Two-Tonne (UK) (voice)

Paul Panting

as Muck (UK) (voice)

Jacob Scipio

as Leo (UK) (voice)

Sam Swann

as Stretch (UK) (voice)

Colin Murdock

as Bob (US) (voice)

Daniel Bacon

as Leo (US) (voice) (as Dan Bacon)

Richard Ian Cox

as Lofty (US) (voice) (as Richard Cox)

Vincent Tong

as Muck (US) (voice)

Ian James Corlett

as Mr. Bentley (US) (voice) (as Ian Corlett)

Nicole Oliver

as Mayor Madison (US) (voice)

Lee Tockar

as Tiny (US) (voice)

Richard Newman

as Two-Tonne (US) (voice)

Peter New

as Stretch (US) (voice)

Brian Drummond

as Ace (US) (voice)

Brian Dobson

as Thud (US) (voice)

Ryan Beil

as Tread (US) (voice)