Armand Douglas "Armie" Hammer (born August 28, 1986) is an American actor. He is known for his portrayal of the Winklevoss twins in the biographical drama film The Social Network (2010), the title character in the western action film The Lone Ranger (2013), Illya Kuryakin in the action film The Man from U.N.C.L.E. (2015), Mike in the thriller film Mine (2016), and the voice role of Jackson Storm in the animated film Cars 3 (2017).
For his portrayal of Clyde Tolson in the biographical drama film J. Edgar (2011), he was nominated for a Screen Actors Guild Award. For his performance as Oliver in the romance drama film Call Me by Your Name (2017), Hammer received nominations for the Critics' Choice Award, the Independent Spirit Award, and the Golden Globe Award for Best Supporting Actor.
Hammer was born in Santa Monica, California. His mother, Dru Ann (née Mobley), is a former bank loan officer, and his father, Michael Armand Hammer, owns several businesses, including Knoedler Publishing and Armand Hammer Productions (a film/television production company). He has a younger brother, Viktor.