Christian Greger Strøm, born on 14th June 1947, voiced several characters in the Norwegian narration of the Thomas & Friends. He stepped down as a voice actor for this show after the seventeenth series.
He also provides voices for "Jonas", "Jonas LA", "The Suite Life Movie", "Shake it Up", "Mater's Tall Tales", and other shows.
- Bill (seventeenth series only)
- Scruff (fourteenth - seventeenth series)
- Salty (fourteenth - seventeenth series, excluding Day of the Diesels)
- Dart (fifteenth - seventeenth series)
- Paxton (seventeenth series only)
- Rusty (sixteenth and seventeenth series)
- Stafford (sixteenth and seventeenth series)
- Rocky (thirteenth - seventeenth series)
- Mr. Percival (sixteenth series only)
- Farmer Trotter
- Mr. Bubbles (thirteenth - fifteenth series)
- The Maithwaite Stationmaster
- The Railway Coal Inspector
- A Tree Specialist