
Cillian Murphy (born May 25, 1976) is an Irish actor.
He made his professional debut in Enda Walsh's 1996 play Disco Pigs, a role he later reprised in the 2001 screen adaptation. His early notable film credits include the horror film 28 Days Later (2002), the dark comedy Intermission (2003), the thriller Red Eye (2005), the Irish war drama The Wind That Shakes the Barley (2006), and the science fiction thriller Sunshine (2007). He played a transgender Irish woman in the comedy-drama Breakfast on Pluto (2005), which earned him a Golden Globe Award nomination.
Murphy began collaborating with filmmaker Christopher Nolan in 2005, playing Dr. Jonathan Crane / Scarecrow in The Dark Knight Trilogy (2005–2012) as well as appearing in Inception (2010) and Dunkirk (2017) and portraying the lead role of J. Robert Oppenheimer in the biographical epic Oppenheimer (2023). By the year 2023, Murphy has already worked with Nolan for around 20 years and six films. He also gained prominence for his role as Tommy Shelby in the BBC period drama series Peaky Blinders (2013–2022) and for starring in the horror sequel A Quiet Place Part II (2020).
In 2011, Murphy won the Irish Times Theatre Award for Best Actor and Drama Desk Award for Outstanding Solo Performance for the one-man play Misterman. In 2020, The Irish Times named him one of the greatest Irish film actors.

Inception
2010 · as Robert Fischer, Jr.

The Dark Knight
2008 · as Scarecrow

28 Years Later: The Bone Temple
2026 · as Jim (uncredited)

Oppenheimer
2023 · as J. Robert Oppenheimer

Batman Begins
2005 · as Dr. Jonathan Crane

Peaky Blinders: The Immortal Man
2026 · as Tommy Shelby

The Dark Knight Rises
2012 · as Dr. Jonathan Crane / Scarecrow

28 Days Later
2002 · as Jim

A Quiet Place Part II
2021 · as Emmett

In Time
2011 · as Raymond Leon

TRON: Legacy
2010 · as Edward Dillinger (uncredited)

Dunkirk
2017 · as Shivering Soldier

Cold Mountain
2003 · as Bardolph

Anna
2019 · as Lenny Miller

In the Heart of the Sea
2015 · as Matthew Joy

Watching the Detectives
2007 · as Neil

Transcendence
2014 · as Agent Donald Buchanan

Sunshine
2007 · as Capa