Joshua Aaron Charles (born September 15, 1971) is an American 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 was born one of two boys, with a brother, Jeff in Baltimore, Maryland, the son of Laura (née Heckscher), a gossip columnist for The Baltimore Sun newspaper, and Allan Charles, an advertising executive. He is of Jewish heritage on his father's side, and has described himself as Jewish. He began his career performing comedy at the age of nine. As a teenager, he spent several summers at Stagedoor Manor Performing Arts Center in New York, and attended the Baltimore School for the Arts.
Charles's film debut was in fellow Baltimore native John Waters' Hairspray in 1988. The following year, he starred alongside Robin Williams and Ethan Hawke in the Oscar-winning Dead Poets Society. Subsequent 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.