
Kelly Macdonald (born 23 February 1976) is a Scottish actress. Known for her film and television performances, she has received various accolades, including a BAFTA Award, a Primetime Emmy Award, and four Screen Actors Guild Awards.
Macdonald made her film debut in Danny Boyle's Trainspotting (1996). She was nominated for the BAFTA Award for Best Actress in a Supporting Role for her role in the Coen brothers film No Country for Old Men (2007). During her career, she has taken roles in Elizabeth (1998), Gosford Park (2001), Intermission (2003), Nanny McPhee (2005), Harry Potter and the Deathly Hallows – Part 2 (2011), Anna Karenina(2012), T2 Trainspotting (2017), and Operation Mincemeat (2021). She voiced Princess Merida in the Disney Pixar animated Brave (2012).
On television, she won the Primetime Emmy Award for Outstanding Supporting Actress in a Miniseries or a Movie for her role in the BBC One film The Girl in the Cafe (2005). She was further Emmy-nominated for portraying Margaret Thompson in the period crime drama series Boardwalk Empire (2010–2014). She also acted in Black Mirror's Hated in the Nation (2016), the limited series Giri/Haji (2019), and Line of Duty(2021).
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Harry Potter and the Deathly Hallows: Part 2
2011 · as Helena Ravenclaw

No Country for Old Men
2007 · as Carla Jean Moss

Brave
2012 · as Merida (voice)

Ralph Breaks the Internet
2018 · as Merida (voice)

Puzzle
2018 · as Agnes

Trainspotting
1996 · as Diane

Nanny McPhee
2005 · as Evangeline

The Hitchhiker's Guide to the Galaxy
2005 · as Reporter

Anna Karenina
2012 · as Dolly

Cousin Bette
1998 · as Hortense Hulot

Gosford Park
2001 · as Mary Maceachran

Finding Neverland
2004 · as Peter Pan

T2 Trainspotting
2017 · as Diane

Elizabeth
1998 · as Isabel Knollys

Holmes & Watson
2018 · as Mrs. Martha Hudson

I Came By
2022 · as Lizzie Nealey

Operation Mincemeat
2022 · as Jean Leslie

Tube Tales
1999 · as Emma (segment "Mr. Cool")