Robert "Rob" Rackstraw (born October 31, 1965) is a British voice actor who is best known for his roles as Scoop (UK), Muck (UK), Roley (UK), Travis (UK) and Spud (UK/since 2005 US) in the British HiT Entertainment children's television series, Bob the Builder (classic version), Campion in Watership Down, Professor Professor in The Secret Show, and James (US since 2015/UK since 2017), Toby (UK since 2015), Etienne (UK/US), Axel (UK/US), Donald (UK/US, both since 2016), Stanley (US 2016), Flynn (UK/US, both since 2015), Raul (UK/US), Monty (US), and many other characters in Thomas & Friends.

For Disney, he currently voices Kwazii the Cat in the Disney Junior British children's television series The Octonauts.

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