Biography
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 Mighty Boosh, and The IT Crowd.
Montgomery has been heard in several Radio 4 programmes, including the radio phone-in spoof Down the Line, Robin and Wendy's Wet Weekends, The Way We Live Right Now, The Museum of Everything, The Department, Another Case of Milton Jones, The Party Line, Harry Hill's Ghost of a Christmas Present, The Pits, the Torchwood story "Lost Souls" and Lucy Montgomery's Variety Pack. She produced a pilot for her own sketch show pilot for the BBC called The Full Montgomery which went on to run on Radio 4 for two series.
In 2005, Montgomery began writing for and performing in the comedy sketch show Tittybangbang on BBC Three. The sketch comedy series also stars Debbie Chazen and has had three series, from 2005 to late 2007. She was in The Armstrong and Miller Show on BBC One, and Bellamy's People on BBC Two. She has also been on The Law of the Playground and The Wall on BBC Three. She provided the voice of Destiny in Mongrels. Montgomery had various roles in The Life of Rock with Brian Pern and Harry and Paul's Story of the Twos. She was also the voice of Jeanine and other female characters in the Animated Puppetoon children's television series A Town Called Panic.
She voiced for the series Badly Dubbed Porn on Comedy Central.
She has starred in many stage productions, including leads in record-breaking and critically acclaimed Jerusalem with Mark Rylance at the Royal Court in 2009, the 2011–12 revival of Stephen Sondheim's Company at the Sheffield Crucible and Canvas at the Chichester Festival in 2012.
Montgomery appeared in the musical Viva Forever!, based on the music of the Spice Girls.
Filmography
Cast Credits

Stan Can
Character: (voice)
TV • 2025

Wonderblocks
Character: Secret Agent Chicken (voice) / Put on Boots (voice)
TV • 2025

Breathtaking
Character: Clare Boxall
TV • 2024

The Kemps: All Gold
Character: PC Dolan
MOVIE • 2023

Dodger Special: Coronation
Character: Minnie Bilge
MOVIE • 2023

Boat Story
Character: Other Janet
TV • 2023

Dodger Special: Bad Egg
Character: Minnie Bilge
MOVIE • 2023

Dodger Special: Christmas
Character: Minnie Bilge
MOVIE • 2022

Dodger Special: Train
Character: Minnie Bilge
MOVIE • 2022

Big Tree City
Character: Kit (voice)
TV • 2022

Hilda and the Mountain King
Character: Gerda Gustav (voice)
MOVIE • 2021

The Kemps: All True
Character: Various
MOVIE • 2020
Bumps
Character: Fallon
MOVIE • 2020

The Jewish Enquirer
Character: Naomi
TV • 2020

A Year in the Life of a Year 2019
Character:
MOVIE • 2020

Worzel Gummidge
Character: Jackie Pudding
TV • 2019

Mamma Mia! Here We Go Yet Again
Character: Christine Baranski
MOVIE • 2019

Horrible Histories: The Movie - Rotten Romans
Character: Birte
MOVIE • 2019

Hilda
Character: Gerda Gustav (voice)
TV • 2018

Disenchantment
Character: Bunty (voice)
TV • 2018
Crew