Takayuki Kawasugi (河杉貴志, born on 20 May in Yamaguchi Prefecture) is a Japanese voice actor who voices characters in the Japanese version of Thomas & Friends.
- Whiff (eleventh series onwards, excluding Buckled Tracks and Bumpy Trucks)
- Troublesome Trucks (Den and Dart, The Other Side of the Mountain, Henry Gets the Express, Diesel and the Ducklings, Bradford the Brake Van, Philip's Number, The Fastest Red Engine on Sodor, Journey Beyond Sodor and Crowning Around)
- Stephen Hatt (fourteenth series only)
- The Blond-haired Boy (fourteenth and fifteenth series)
- Some Sodor Search and Rescue Centre workers (Diesel's Ghostly Christmas)
- Some Children (Diesel's Special Delivery, No Snow for Thomas, A Cranky Christmas and Gordon Gets the Giggles)
- Who's Thomas? (performed)