John C. McGinley was born in New York City, New York August 3, 1959. McGinley was raised in Millburn, New Jersey and attended Millburn High School. McGinley studied acting at Syracuse University, and later at New York University's Tisch School of the Arts.
He is is an actor, producer, and screenwriter. He came to fame in Oliver Stone's Platoon in 1986. He worked almost continually throughout the 1990s on many movies and in 2001 he got the role as Dr Perry Cox on the tv show Scrubs
and he is still on the show which is in its fifth season at the moment.
McGinley currently serves as the national spokesperson for the National Down Syndrome Society's annual Buddy Walks which is much because McGinley's own son suffers from Down Syndrome.