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Acting
December 28, 1981
New York City, New York, USA
Sienna Rosie Diana Miller (born December 28, 1981) is an American-born English actress. Born in New York City and raised in London, she began her career as a photography model, appearing in the pages of Italian Vogue and for the 2003 Pirelli calendar. Her acting breakthrough came in the 2004 films Layer Cake and Alfie. She subsequently portrayed socialite Edie Sedgwick in Factory Girl (2006) and author Caitlin Macnamara in The Edge of Love (2008), and was nominated for the 2008 BAFTA Rising Star Award. Her role as The Baroness in G.I. Joe: The Rise of Cobra (2009) was followed by a brief sabbatical from the screen amid increased tabloid scrutiny. Miller returned to prominence with her role as actress Tippi Hedren in the television film The Girl (2012), for which she was nominated for the BAFTA Television Award for Best Actress and the Golden Globe Award for Best Actress – Miniseries or Television Film. Further critical acclaim followed throughout the 2010s, with appearances in the films Foxcatcher (2014), American Sniper (2014), Mississippi Grind (2015), The Lost City of Z (2016), Live by Night (2016), and American Woman (2018), as well as the miniseries The Loudest Voice (2019).

Victoria
2025

Self
2025

Frances Kittredge
2024

Frances Kittredge
2024

Narrator
2023

Becca Shearer
2023

Self
2023

Lark
2022

Sophie Whitehouse
2022

Adrienne
2020

as Victoria

as Self

as Frances Kittredge

as Frances Kittredge

as Narrator

as Becca Shearer

as Self

as Lark

as Sophie Whitehouse

as Adrienne
as Narrator

as Frankie Burns
as Self

as Elizabeth 'Beth' Ailes

as Estella Huni

as Deb Callahan

as Maggie

as Self

as Vera Lockman

as Nina Fawcett

as Emma Gould

as Sara

as Frances

as Charlotte Melville

as Helene

as Self

as Simone

as Self

as Self

as Self - Guest

as Chuck Portnoy

as Taya Renae Kyle

as Nancy Schultz

as Self

as Self

as Self

as Sarah Schipper

as Marilyn

as The Movie Star

as Tippi Hedren

as Xanne

as Diana

as Self

as Self

as Ana Lewis / Baroness

as Self

as Caitlin MacNamara

as Camille Foster

as Jane Bellwether

as Victoria

as Katya

as Self

as Edie Sedgwick

as Francesca

as Nikki

as Tammy

as Fiona Bickerton

as Self

as Self

as Babe

as Sharon

as Self - Guest

as Stacey

as Sienna Miller

as Self

as Self

as Self - Guest

as Self

as Herself

as Self - Guest

as Self

as Self
as Erin Fleming
as Carol Davis
as Carla Duval