James Franciscus, who starred in the TV series "Naked City," "Mr. Novak," and "Longstreet," died Monday of emphysema in Hollywood at 57. The actor was born in Clayton, Mo., and attended Yale University. After a stint in summer stock, he was cast in a 1956 film "Four Boys and a Gun." His TV career began in 1958 as Detective Jim Halloran in ABC's "Naked City." He became a teen-age heartthrob playing English teacher John Novak in the 1960s and twice portrayed insurance investigators, first on "The Investigators" and later as blind Mike Longstreet on the ABC series "Longstreet."