Keiji Hirai (平井啓二, born on 15 February) is a Japanese voice actor who voices characters in the Japanese version of Thomas and Friends.
He is well known for voicing in various animes, video games, and documentaries. Some of his roles include Killa from "Dragon Ball Z Kai", various characters from "One Piece", Tetsu Asakura from "The Gokusen", Greiger from "Yu-Gi-Oh! 5D's", Lapin from the "One Piece: Pirate Warriors" game series, and Jean Townshead and Jann Walker from the "Valkyria Chronicles" series.
- Bert (sixth-eighth seasons)
- Troublesome Trucks (Edward the Very Useful Engine)
- Some Band Members (seventh season only)
- The Lower Tidmouth Stationmaster (Percy and the Haunted Mine)
- Sodor Ironworks manager (Scaredy Engines)
- Thomas' driver (Too Hot for Thomas)
- Emily's driver (Emily's New Coaches)
- Yard Manager (The Old Bridge)
- Some Passengers (Bulgy Rides Again)
- Some Villagers (It's Only Snow)