Joshua Aaron Charles (born September 15, 1971) is an American film, television, and theater actor. He is best known for the roles of Dan Rydell on Sports Night, Will Gardner on The Good Wife, which earned him two Primetime Emmy Award nominations, and his early work as Knox Overstreet in Dead Poets Society.
Charles' film debut was in fellow Baltimore native John Waters' Hairspray in 1988. The following year, he starred alongside Robin Williams and Ethan Hawke in Dead Poets Society. Other film roles have included Don't Tell Mom the Babysitter's Dead, Threesome, Pie in the Sky, Muppets from Space, S.W.A.T, Four Brothers, After.Life, Crossing the Bridge and Brief Interviews with Hideous Men.
On television, Charles played sports anchor Dan Rydell in Sports Night, which ran for two years (1998–2000) and earned Charles a Screen Actors Guild nomination. In 2008, Charles played the role of Jake in season one of HBO's In Treatment. In 2009, he returned to network television in the drama The Good Wife. For his work on the series, he was nominated for a Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series in 2011 and 2014.
Also in 2011, Charles narrated the debut episode for NFL Network's A Football Life on New England Patriots head coach Bill Belichick. In 2022, Charles starred in We Own This City, an HBO limited series.