Cillian Murphy (born 25 May 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.

Murphy is married with Yvonne McGuinness and has two teenage sons. He is known for his introverted and quiet personality. He is very private and he loves to take a rest from his career and spend time with his family. He also tries his best to live his life like a normal person. He is also known for his love for his country, Ireland, and he is often spotted being disappointed or mad when a person mistakes him for being a British person. Murphy also tries to avoid attention and does not attend interviews aside from the ones he is required to do so. He also do not discuss and tell things about his personal life in interviews. His MBTI is predicted to be INTJ and he does not use any social media like Facebook or Instagram. Murphy was not interested in studying ever since he was a kid. He was in a rock band, and wanted to pursue a music career. There are a lot of videos online where he is seen playing his guitar or DJing. Murphy went into Law school but failed his very first semester and the fail of his band got him into acting. He began his acting in a stage play and he still acts on stage. He eventually got into acting in movies and televisions and and still continues to alternate acting on stage, movie, and television. Description above from the Wikipedia article Cillian Murphy, licensed under CC-BY-SA, full list of contributors on Wikipedia.