Biography
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...
Known For
Complete Filmography

My Mother’s Wedding
2025
as Victoria
Three sisters return to their home for the third wedding of their twice-widowed mother. But the mother and daughters are forced to revisit the past an...

Twiggy
2025
as Self
Twiggy takes a comprehensive look at the life story of UK model and cultural icon Twiggy, real name Lesley Lawson, whose career kickstarted in the 196...

Horizon: An American Saga - Chapter 2
2024
as Frances Kittredge
Explore the lure of the Old West and how it was won—and lost—through the blood, sweat and tears of many. Spanning 15 years before, during, and followi...

Marion
2024
Executive Producer
The short tracks the tense fifteen minutes before Marion's – France's only female bull jumper – first performance in a packed French arena. As she pre...

Horizon: An American Saga - Chapter 1
2024
as Frances Kittredge
In 1859, families discover the lure of the Old West as they settle in territories from Wyoming to Kansas. Meanwhile, a gruff cowboy soon finds himself...

Indomitable
2023
as Narrator
The story of Ukraine's Chernihiv Psychoneurological Hospital, who endured incredible hardships during more than a month of occupation by Russia.

Scandalous: Phone Hacking on Trial
2023
as Self
Candid and exclusive testimony from Sienna Miller, Hugh Grant, Steve Coogan, Heather Mills and others on claims of unlawful information gathering at s...

Wander Darkly
2020
as Adrienne
New parents Adrienne and Matteo are forced to reckon with trauma amidst their troubled relationship. They must revisit the memories of their past and ...
War & Grace
2020
as Narrator
A film celebrating the courageous midwives fighting for mothers and infants in war-torn South Sudan, which has one of the highest maternal mortality r...

21 Bridges
2019
as Frankie Burns
An embattled NYPD detective, is thrust into a citywide manhunt for a pair of cop killers after uncovering a massive and unexpected conspiracy. As the ...

The Catcher Was a Spy
2018
as Estella Huni
Former major league baseball player Moe Berg lives a double life working for the Office of Strategic Services in World War II Europe.

American Woman
2018
as Deb Callahan
A young grandmother in a small Pennsylvania town raises her daughter's child after the girl disappears. All the while, a desperate search for her cont...

National Theatre Live: Cat on a Hot Tin Roof
2018
as Maggie
Tennessee Williams’ twentieth century masterpiece Cat on a Hot Tin Roof played a strictly limited season in London’s West End in 2017. An alcoholic ex...

Die Clint Eastwood Story
2018
as Self
German Documentary on Clint Eastwood

An Imperfect Murder
2017
as Vera Lockman
Successful actress Vera Lockman thrashes during a nightmare in which she struggles with, shoots and kills her drug-dealer ex-boyfriend. Jolted awake, ...

The Lost City of Z
2017
as Nina Fawcett
A true-life drama in the 1920s, centering on British explorer Col. Percy Fawcett, who discovered evidence of a previously unknown, advanced civilizati...

Live by Night
2016
as Emma Gould
A group of Boston-bred gangsters set up shop in balmy Florida during the Prohibition era, facing off against the competition and the Ku Klux Klan.

The Tale of Thomas Burberry
2016
as Sara
160 years in the making, a story inspired by the pioneering discoveries of our founder, reimagining key events that have shaped Burberry's history.

So Good to See You
2016
as Frances
Theo and Frances, an artsy downtown couple, are driving to a dinner party at their old friend Zoe's new house in a wealthy suburb of NYC. Lost and fru...

High-Rise
2015
as Charlotte Melville
Life for the residents of a tower block begins to run out of control.

Burnt
2015
as Helene
Adam Jones is a Chef who destroyed his career with drugs and diva behavior. He cleans up and returns to London, determined to redeem himself by spearh...

Mississippi Grind
2015
as Simone
Gerry is a talented but down-on-his-luck gambler whose fortunes begin to change when he meets Curtis, a younger, highly charismatic poker player. The...

The Making Of 'American Sniper'
2015
as Self
A piece that, with a different rhythm and through interviews, offers another look at the movie, including cast and crew's early work on the script and...

One Soldier's Story: The Journey of American Sniper
2015
as Self
Join director Clint Eastwood and his creative team, along with Bradley Cooper and Sienna Miller, as they overcome enormous creative and logistic obsta...

Unfinished Business
2015
as Chuck Portnoy
A hard-working small business owner and his two associates travel to Europe to close the most important deal of their lives. But what began as a rout...

American Sniper
2014
as Taya Renae Kyle
U.S. Navy SEAL Chris Kyle takes his sole mission—protect his comrades—to heart and becomes one of the most lethal snipers in American history. His pin...

Foxcatcher
2014
as Nancy Schultz
The greatest Olympic Wrestling Champion brother team joins Team Foxcatcher led by multimillionaire sponsor John E. du Pont as they train for the 1988 ...

A Case of You
2013
as Sarah Schipper
Young writer Sam has a crush on Birdie, the cute and quirky barista at his local coffee shop. When his conventional attempts to woo her crash and burn...

Just Like a Woman
2013
as Marilyn
Two women get on the highway heading to Santa Fe. Marilyn dreams of winning a contest held by a famous belly dancing company, while her friend, Mona, ...

Nous York
2012
as The Movie Star
Thirty-somethings Michaël, Nabil and Sylvain head to New York to surprise their friend Samia on her birthday, secretly arranged with the help of anoth...

The Girl
2012
as Tippi Hedren
Director Alfred Hitchcock is revered as one of the greatest creative minds in the history of cinema. Known for his psychological thrillers, Hitchcock’...

Yellow
2012
as Xanne
A young substitute teacher escapes from her drudging everyday life by fantasizing about bizarre parallel realities.

2 Jacks
2012
as Diana
Jack Hussar is a legendary Hollywood director, whose persona commands respect and adoration from his fans. Can his son, Jack Jr. maintain his legacy?

The September Issue
2009
as Self
A documentary chronicling Vogue editor-in-chief Anna Wintour's preparations for the 2007 fall-fashion issue.

G.I. Joe: The Rise of Cobra
2009
as Ana Lewis / Baroness
From the Egyptian desert to deep below the polar ice caps, the elite G.I. JOE team uses the latest in next-generation spy and military equipment to fi...

The Edge of Love
2008
as Caitlin MacNamara
When the Welsh poet Dylan Thomas and his flirtatious wife Caitlin sweep into war-torn London, the last thing they expect is to bump into Dylan's child...

Camille
2008
as Camille Foster
A twisted honeymoon adventure about a young couple on their way to Niagara Falls.

The Mysteries of Pittsburgh
2008
as Jane Bellwether
Based on Michael Chabon's novel, the film chronicles the defining summer of a recent college graduate who crosses his gangster father and explores lov...

Stardust
2007
as Victoria
In a countryside town bordering on a magical land, a young man makes a promise to his beloved that he'll retrieve a fallen star by venturing into the ...

Interview
2007
as Katya
After falling out with his editor, a fading political journalist is forced to interview America's most popular soap actress.

Factory Girl
2006
as Edie Sedgwick
In the mid-1960s, wealthy debutant Edie Sedgwick meets artist Andy Warhol. She joins Warhol's famous Factory and becomes his muse. Although she seems ...

Casanova
2005
as Francesca
With a reputation for seducing members of the opposite sex, regardless of their marital status, a notorious womanizer discovers a beauty who seems imp...

Alfie
2004
as Nikki
A tale of a philosophical womanizer who is forced to question his seemingly carefree existence.

Layer Cake
2004
as Tammy
When a seemingly straight-forward drug deal goes awry, XXXX has to break his die-hard rules and turn up the heat, not only to outwit the old regime an...

South Kensington
2001
as Sharon
A London aristocrat (Rupert Everett) rents out rooms in his posh estate to a pair of Italians who are wooing two wealthy British gals (Elle Macpherson...
Raised Eyebrows
N/A
as Erin Fleming
Based on Steve Stoliar’s memoir Raised Eyebrows: My Years Inside Groucho’s House.
Secret Daughter
N/A
A global story through the eyes of two women interconnected by a child. Somer is a newly married physician in San Francisco who makes the devastating ...
Untitled Jack Ryan Film
N/A
Described as the next evolutionary step to the Amazon series of the same name.
Madden
N/A
as Carol Davis
After the legendarily fiery coach exits from the NFL, John Madden teams with Electronic Arts to become the unlikely co-creator of a pioneering video g...
Secret Daughter
N/A
Producer
A global story through the eyes of two women interconnected by a child. Somer is a newly married physician in San Francisco who makes the devastating ...