
Lindsay Vere Duncan, CBE (born November 7, 1950) is a Scottish stage and television actress. She is the recipient of three BAFTA nominations and one Scottish BAFTA nomination, as well as two Olivier Awards and a Tony Award for her work on stage. She has starred in several plays by Harold Pinter. Duncan's film credits include Prick Up Your Ears (1987), The Reflecting Skin (1990), City Hall (1996), An Ideal Husband, Star Wars: Episode I – The Phantom Menace, Mansfield Park (all 1999), Under the Tuscan Sun, AfterLife (both 2003), Starter for 10 (2006), Tim Burton's Alice in Wonderland (2010), About Time (2013), Birdman (2014), and Blackbird (2019).
Outside of stage and film, Duncan appeared as Barbara Douglas in Alan Bleasdale's critically acclaimed G.B.H. (1991), Servilia of the Junii on the HBO historical drama series Rome (2005–2007), Adelaide Brooke in the Doctor Who special "The Waters of Mars" (2009), Anjelica Hayden-Hoyle in the BBC Two miniseries The Honourable Woman (2014), and Lady Smallwood on BBC One's Sherlock (2014–2017). She also portrayed Elizabeth Longford and Margaret Thatcher in the television films Longford (2006) and Margaret (2009), respectively.

About Time
2013 · as Mum

Alice in Wonderland
2010 · as Helen Kingsleigh

Star Wars: Episode I - The Phantom Menace
1999 · as TC-14 (voice)

Gifted
2017 · as Evelyn Adler

Alice Through the Looking Glass
2016 · as Helen Kingsleigh

Birdman or (The Unexpected Virtue of Ignorance)
2014 · as Tabitha

H Is for Hawk
2025 · as Mum

Under the Tuscan Sun
2003 · as Katherine

Blackbird
2019 · as Liz

Made in Italy
2020 · as Kate

Starter for 10
2006 · as Rose Harbison

City Hall
1996 · as Sydney Pappas

An Ideal Husband
1999 · as Lady Markby

Mansfield Park
1999 · as Mrs. Price / Lady Bertram

Body Parts
1991 · as Dr. Agatha Webb

A Banquet
2022 · as June

Christopher and His Kind
2011 · as Kathleen Isherwood

Redemption
1991 · as Kath Peachey