Joseph Michael Cross (born May 28, 1986) is an American actor and producer. He began his career as a child actor, appearing in the 1998 films Desperate Measures, Wide Awake, and Jack Frost. He won a Satellite Award for Best Actor for the film Running with Scissors (2006), and also appeared in the films Flags of Our Fathers (2006), Untraceable (2008), Milk (2008), and Lincoln (2012).

From 1999 to 2004, Cross played Casey Hughes on the CBS soap opera As the World Turns. In 2017, he appeared in the HBO miniseries Big Little Lies and the Netflix crime drama Mindhunter.