This gaunt, lanky and graceful player, who after a successful career as a radio producer-director and as a dancer and actor on Broadway, moved into film, first as a director and then as a reserved, sensitive and usually romantic leading man. Married to Audrey Hepburn from 1954 to 1968, Ferrer co-starred with her in "War and Peace" (1956), directed her in "Green Mansions" (1959) and produced the tense thriller, "Wait Until Dark" (1967).Ferrer dropped out of Princeton University in his sophomore year to work as an actor in summer stock. When stardom did not come immediately, he worked on a