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 and Bradford the Brake Van)
- 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)