
Acting
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 a…

Madfabulous
as Lady Chetwynd
Daughters of the Late Colonel
as Josephine

Chuck Chuck Baby
as Helen

Brian and Charles
as Hazel
Deep Clean
as Maddie

Letters Live from the Archive: International Women’s Day
as Self / Narrator (voice)

Letters Live from the Archive: Union Chapel
as Self

Limbo
as Hannah Peyton

Jamie
as Mum

In Wonderland
as Alice

Lockwood & Co.
as Pamela Joplin · 4 ep.

Such Brave Girls
as Deb · 12 ep.

The Widow
as Beatrix · 5 ep.

A Discovery of Witches
as Gillian Chamberlain · 8 ep.

Clique
as Jude McDermid · 6 ep.

Back
as Cass · 12 ep.

Father Brown
as Eleanor Knight · 1 ep.

Shetland
as Isobel Jameson · 1 ep.

Ripper Street
as Dr. Amelia Frayn · 7 ep.

Death in Paradise
as Donna Harman · 1 ep.
Victor Frankenstein
2015