Christian Michael Leonard Slater is an American actor. He made his film debut with a leading role in The Legend of Billie Jean (1985) and gained wider recognition for his breakthrough role as Jason "J.D." Dean, a sociopathic high school student, in the satire Heathers (1988). He has received critical acclaim for his title role in the USA Network television series Mr. Robot (2015–2019), for which he earned the Golden Globe Award for Best Supporting Actor – Series, Miniseries or Television Film in 2016, with additional nominations in 2017 and 2018.

The Legend of Billie Jean is a 1985 American action drama film directed by Matthew Robbins. It stars Helen Slater, Keith Gordon, Christian Slater, Dean Stockwell, Richard Bradford and Peter Coyote and Martha Gehman.