While at Jesus College, Cambridge, Montgomery was a member of the Footlights, its amateur theatrical club. Subsequently, she studied at the Central School of Speech and Drama. Montgomery built her career as one third of Comedy Theatre Company Population 3, along with James Bachman and Barunka O'Shaughnessy, and she appeared as a roving reporter for the comic television programme The Friday Night Project. Other television work has included Bo' Selecta!,
The IT Crowd Manual
⭐ 8.4Circles
⭐ 5Hilda and the Mountain King
⭐ 7.5Mamma Mia! Here We Go Yet Again
⭐ 7.6The Itch of the Golden Nit
⭐ 7.7Thomas & Friends: Journey Beyond Sodor - The Movie
⭐ 6.9The Kemps: All Gold
⭐ 0Dodger Special: Train
⭐ 0Dodger Special: Coronation
⭐ 10Dodger Special: Christmas
⭐ 0Dodger Special: Bad Egg
⭐ 0Thomas & Friends: Big World! Big Adventures! The Movie
⭐ 7.42018: A Year in the Life of a Year
⭐ 0AD/BC: A Rock Opera
⭐ 6.233Horrible Histories: The Movie - Rotten Romans
⭐ 5.2Harry & Paul's Story of the 2s
⭐ 7Isle of Spagg
⭐ 0Phone Home
⭐ 0A Year in the Life of a Year 2019
⭐ 0Bob the Builder: Mega Machines - The Movie
⭐ 8.333The Kemps: All True
⭐ 9