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 season 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 and Journey Beyond Sodor)
- Stephen Hatt (fourteenth season only)
- The Blond-haired Boy (fourteenth and fifteenth seasons)
- Some Sodor Search and Rescue Centre workers (Diesel's Ghostly Christmas)
- Some Children (Diesel's Special Delivery, No Snow for Thomas and A Cranky Christmas)
- Who's Thomas? (performed)