Stellan John Skarsgård (;Swedish pronunciation: [ˈstɛ̂lːan ˈskɑ̌ːʂɡoːɖ] (listen) born 13 June 1951) is a Swedish actor. He is known for his roles as Jan Nyman in Breaking the Waves (1996), Captain Tupolev in The Hunt for Red October (1990), Professor Gerald Lambeau in Good Will Hunting (1997), Bootstrap Bill Turner in Pirates of the Caribbean: Dead Man's Chest (2006) and Pirates of the Caribbean: At World's End (2007), Bill Anderson in Mamma Mia! (2008) and the sequel Mamma Mia! Here We Go Again (2018), Commander Maximilian Richter in Angels and Demons (2009), Martin Vanger in The Girl With the Dragon Tattoo (2011), Dr. Erik Selvig in the Marvel Cinematic Universe films Thor (2011), The Avengers (2012), Thor: The Dark World (2013), and Avengers: Age of Ultron (2015), The Grand Duke in Cinderella (2015), and Boris Shcherbina in the HBO/Sky UK television miniseries Chernobyl (2019). He is set to star in the untitled Cassian Andor series (2021).
He is also known as Stellan John Skarsgård.