Sarah Alexander
- Art Detectives
2025 Rosa Conaghan
- Murder Most Puzzling
2025 Gloria Hendrix
- Bad Tidings
2024 Laura
- The Marlow Murder Club
2024 Sophia
- The Silent Canary
2022 Jane
- Sassy Justice
2020 Louise “Lou” Xiang
- Pennyworth: The Origin of Batman's Butler
2019 Undine Thwaite
- 2,000 Tattoos, 40 Piercings, and a Pickled Ear
2015 Herself - Narrator (voice)
- We're Doomed! The Dad's Army Story
2015 Gilda Perry
- Marley's Ghosts
2015 Marley
- Undercover
2015 Zoe
- Drunk History
2015 Queen Elizabeth I
- Father Brown
2013 Harriet Sykes
- Me and Mrs Jones
2012 Gemma Jones
- All the Small Things
2009 Layla
- Mutual Friends
2008 Liz
- Stardust
2007 Empusa
- I Could Never Be Your Woman
2007 Jeannie
- The Peter Serafinowicz Show
2007 Various
- Teachers
2006 Alice Fletcher
- Perfect Strangers
2004 Alix Mason
- Green Wing
2004 Angela Hunter
- The Worst Week of My Life
2004 Mel Steel
- Agatha Christie's Marple
2004 Lydia Harsnet
- Appointment with Dr. Terrible
2003 Interviewee – Actor
- Look Around You
2002 Scientist
- The Jury
2002 Theresa Vestry
- Bridget Jones's Diary
2001 Daniel Cleaver Lover (uncredited)
- Dr Terrible's House of Horrible
2001 Beatrice Crown
- Going Off Big Time
2000 Stacey Bannerman
- Summer in the Suburbs
2000 Maisie
- Coupling
2000 Susan Walker
- The Strangerers
2000 Rina
- The New Adventures of Pinocchio
1999 Felinet
- Smack the Pony
1999 Various Characters
- People Like Us
1999 Madeline Goddard
- Tilly Trotter
1999 Lady Agnes Myton
- Midsomer Murders
1997 Fliss Inkpen-Thomas
- Jonathan Creek
1997 Polly Creek
- Armstrong and Miller
1997 Various Roles
- Seaview Knights
1994 Jackie
- Anna Lee
1994 Mary Vincent
- Pretty Princess
1993 Ursula
- You, Me and It
1993 Emma
- Chris Cross
1993 Sam
- Natural Lies
1992 Anne-Marie
- Covington Cross
1992 3rd Girl
- Noel's House Party
1991 Girl at the Window
- Kappatoo
1990 Melanie
- Drop the Dead Donkey
1990 Nicky
- Red Dwarf
1988 Queen
- Comic Relief
1988
- Lovejoy
1986 Muriel
- The Bill
1984 Lesley Anderson
- Alas Smith and Jones
1984 Various Roles
