Actor Billy Porter attends the Broadway opening night of 'Big Fish' at Neil Simon Theatre on October 6, 2013 in New York City

Actor Billy Porter attends the Broadway opening night of ‘Big Fish’ at Neil Simon Theatre on October 6, 2013 in New York City

*Billy Porter, who is continuing his Tony-winning role in Broadway’s Kinky Boots, is in negotiations to join Barry Levinson’s “The Humbling,” reports Deadline.com

Al Pacino, Greta Gerwig, Diane Wiest and Mandy Patinkin already are aboard the adaptation of the Philip Roth novel, which is eyeing a fall start.

The story revolves around a famous stage actor in decline who is revived when he retires to his upstate New York farmhouse and takes up with a much younger woman.

Porter is also shooting a guest-lead spot for “Law & Order: SVU.”