Robert "Rob" Rackstraw (born 31 October 1965 in Sunderland) is a British voice actor. He is perhaps best known for his various voices in the television series Bob the Builder, mainly the scarecrow Spud. He has an extensive voice over career over 15 years long and is considered to be one of the UK's leading male voice actors. He also played the main villain Pew in The Legends of Treasure Island, and Captain Campion in Watership Down.
He also wrote episodes of Avenger Penguins and Fantomcat.
Description above from the Wikipedia article Rob Rackstraw, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Octonauts and the Ring of Fire
2021 · as Kwazii (voice)

Here We Are: Notes for Living on Planet Earth
2020 · as Crowd Voice (voice)

Thomas & Friends: Journey Beyond Sodor
2017 · as James / Toby / Troublesome Trucks (voice)

Thomas & Friends: Sodor's Legend of the Lost Treasure: The Movie
2015 · as Toby (voice)

Thomas & Friends: The Great Race
2016 · as Various (voice)

Thomas & Friends: Big World! Big Adventures! The Movie
2018 · as James / The Thin Clergyman / African Race Announcer (voice)

Octonauts and the Caves of Sac Actun
2020 · as Kwazii (Voice)

Octonauts and the Great Barrier Reef
2020 · as Kwazii (Voice)

Tricky & The Cereal Killers
2025 · as Tricky

Bob the Builder: A Christmas to Remember - The Movie
2001 · as Various (voice)

Bob the Builder: The Golden Hammer
2010 · as Scoop / Muck / Travis / Spud / Mr. Bentley / Packer / Splasher (voice)

Bob the Builder: The Knights of Can-A-Lot
2003 · as Scoop / Muck / Roley / Spud / Mr. Beasley / Mr. Bentley (voice)

The Adventures of Renny the Fox
2005 · as Rufus (voice)

Outback Christmas
2005 · as Buster / George / Sammy

Bob the Builder: Race to the Finish
2008 · as Spud / Mr. Bentley / Grabber (voice)

Verne on Vacation
2011 · as Horace / Gaston (voice)

Friendly Monsters: A Monster Christmas
1994 · as (voice)

Bob the Builder: The Big Dino Dig
2011 · as Spud (voice)