Mr. Arkwright (played by Robert Slade) is one of the drivers on Sodor and the Fat Controller's right-hand man. He appeared between the episodes on the DVDs Team Up With Thomas and Percy and the Bandstand.
- Mr. Arkwright's Special Job
- Mr. Arkwright Gets Ready
- Mr. Perkins' Party (mentioned)
- Mr. Perkins' Winter Holiday (does not appear)
- Mr. Perkins' One Man Band (does not appear)
- Mr. Perkins' Vegetable Show (mentioned)
- Mr. Perkins' Soccer Match (does not appear)
- Ariel Cister (Latin America; voiceover)
- He plays the accordion in a band with fellow drivers Mr. Perkins and Mr. Roberts.
- He was once the referee of the annual Engine Drivers Football match.
- Unlike Mr. Gilbert Perkins, his first name was never mentioned.
- Mr. Arkwright only appeared twice on the Season 12 DVD's before Mr. Perkins would take over for future DVD's afterwards he would only be mentioned in various Mr. Perkins segments