 In fall 1980, Foster entered the American Academy of Dramatic Arts in New York City.He later trained with Lee Strasberg at Actors Studio; Uta Hagen and Herbert Berghof at HB Studio; and with Stella Adler.He continued stage work in and around New York, working his way up from regional theatre, to "Shakespeare in the Park" with Joseph Papp, to off-Broadway, and finally to Broadway, where he appeared in the Vietnam drama, "Go Home, Spec 5."