As of July 2026, Louise Brealey is best known for Casualty and Sherlock. Find every show and movie Louise Brealey has starred in — and where to watch them — below.
Louise Brealey

Louise Brealey

Actress Born 1979 Bozeat, Northamptonshire, England 10 TV Shows 7 Movies

Louise Brealey (born 27 March 1979) is an English actress, writer and journalist. She played Molly Hooper in Sherlock (2010–), Cass in Back (2017), Scottish professor Jude McDermid in Clique (2017), Gillian Chamberlain in A Discovery of Witches (2018) and Donna Harman in Death in Paradise (2020).

She made her TV debut as Nurse Roxanne Bird in two series of BBC drama Casualty (2002–2004) before playing Judy Smallweed in Bleak House (2005). Brealey plays pathologist Molly Hooper in all four series of Steven Moffat and Mark Gatiss's television drama, Sherlock.

She has also made her name as an accomplished stage actress. Her stage debut was at London's Royal Court in 2001 as 14-year-old Sophie in Max Stafford-Clark's production of Judy Upton's Sliding With Suzanne. She portrayed child prodigy Thomasina in the Bristol Old Vic production of Tom Stoppard's Arcadia in 2005. In 2011, she was the short-frocked daughter of Julian Barratt and Doon Mackichan at the Young Vic in Richard Jones's Government Inspector. She next played three lead roles – Cassandra, Andromache and Helen of Troy – in Caroline Bird's sold-out production of The Trojan Women at London's Gate Theatre. In February 2014, she starred as Julie in August Strindberg's Miss Julie at the Citizens Theatre in Glasgow.

She won Best Actress at the Manchester Theatre Awards for her role as Marianne in Constellations, directed by Michael Longhurst and played the lead alongside Anne Marie Duff in Marianne Elliott's Husbands and Sons at the National Theatre.

Description above is from the Wikipedia article Louise Brealey, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Alongside acting, Louise Brealey is also known as a writer.

Louise Brealey's most notable role to date came in Sherlock (2010), where she played Molly Hooper. She also appeared in Sherlock: The Abominable Bride (2016) as Molly Hooper. Most recently appeared in Victor Frankenstein (2015) as Sexy Society Girl.

Fans wanting to catch up on Louise Brealey's work can find exactly where her shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.

or
TV Butler Pro app
🎩 TV Butler Pro — Free to Use
Search or tap a mood. Butler finds it, tracks it, remembers it — all for free.

📺 Louise Brealey's TV Shows

Casualty
Roxanne Bird
1986
Sherlock
Molly Hooper
2010
Shetland
Isobel Jameson
2013
A Discovery of Witches
Gillian Chamberlain
2018
Ripper Street
Dr. Amelia Frayn
2012
Clique
Jude McDermid
2017
Lockwood & Co.
Pamela Joplin
2023
Back
Cass
2017
The Widow
Beatrix
2019
Such Brave Girls
Deb
2023

🎬 Louise Brealey's Movies

Sherlock: The Abominable Bride
Molly Hooper
2016
Victor Frankenstein
Sexy Society Girl
2015
Containment
Sally
2015
The Best Exotic Marigold Hotel
Hairdresser
2012
Brian and Charles
Hazel
2022
Sherlock: Many Happy Returns
Molly Hooper
2013
Delicious
Stella
2013

Never Miss a Show Starring Louise Brealey

TV Butler Pro™ tracks everything you watch, finds where to stream any show or movie — free to use, opens right in your browser.

🎩 Try TV Butler Pro™ Free