
Acting
Sian Thomas
EN, NL cinema · 23 credits
Born
20 September 1953 (age 73)
Birthplace
Stratford-on-Avon, Warwickshire, England, UK
Siân Thomas – British actress of Welsh heritage, born 20 September 1953 in Stratford-upon-Avon, Warwickshire, England. Trained at the Central School of Speech and Drama, sister of actress Sara Mair-Thomas, and long-time partner of the poet Tony Harrison (died 2025). A distinguished stage actress with credits at the Royal Shakespeare Company, National Theatre, and West End, including an Olivier Award nomination for Up for Grabs (2002) and an Off West End Award nomination for The Cherry Orchard (2017). Her most notable film roles include Thorhild the Sarcastic in Erik the Viking (1989), Lady Darlington in Vanity Fair (2004), Madame Gaillard in Perfume: The Story of a Murderer (2006), Amelia Bones in Harry Potter and the Order of the Phoenix (2007), Edith May in War Machine (2017), and Lilly in Finding Your Feet (2018). On television she has appeared in Wide-Eyed and Legless (1993), The Worst Week of My Life (2005), The Ruby in the Smoke (2006), Midsomer Murders (2006), Merlin (2009), Atlantis (2013), New Tricks (2014), Doc Martin (2019), and Under Milk Wood (2014). She is also known for her poetry readings on BBC Radio 3 and audiobook work.
Known for
Filmography

22+1
as Nurse

Widow's Walk
as additional voice

The Conductor
as Mother Frank

War Machine
as Edith May

Finding Your Feet
as Lilly Glover

Shooting Clerks
as Jason's Lady Friend

ID2: Shadwell Army
Costume Design

Under Milk Wood
as Mrs. Dai Bread Two

Harry Potter and the Order of the Phoenix
as Amelia Bones

Half Broken Things
as Shelley

Perfume: The Story of a Murderer
as Madame Gaillard

The Ruby in the Smoke
as Mrs Rees

Vanity Fair
as Lady Darlington
Sredni Vashtar
2003
Sredni Vashtar
as The Aunt

A Mind to Murder
as Dr. Saxon

Rose Red
as Clare Marvel

Othello
as Desdemona (voice)

Wide-Eyed and Legless
as Aileen Armitage

Frankenstein's Baby
as Judith Cole

Erik the Viking
as Thorhild the Sarcastic

Prick Up Your Ears
as Marilyn Orton


