Marianne Westby (born on 1 January 1974) is a Norwegian actress who provided voices for the Norwegian narration of the Thomas & Friends.
She also voices in the Norwegian version of "The Suite Life of Zack and Cody", "The Suite Life On Deck", "Shake it Up", "Kim Possible", and has had roles in the Norwegian television show "Hotel Cæsar".
- Emily (Day of the Diesels - fifteenth season)
- Belle (Day of the Diesels - sixteenth season)
- Mavis (Day of the Diesels - sixteenth season)
- Annie and Clarabel (Blue Mountain Mystery - sixteenth season)
- Troublesome Trucks (King of the Railway)
- Lady Hatt (Day of the Diesels - seventeenth season)
- Dowager Hatt (Day of the Diesels - seventeenth season, excluding the sixteenth season)