Christian Michael Leonard Slater (born August 18, 1969) is an American actor. He made his film debut with a leading role in The Legend of Billie Jean (1985). He gained wider recognition for his breakout role as Jason "J.D." Dean, a sociopathic high school student, in the satire Heathers (1989). He received critical acclaim for playing the title role in the USA Network television series Mr. Robot (2015–2019): it earned him the 2016 Golden Globe Award for Best Supporting Actor – Series, Miniseries...