Brent Buell. Actor: Sing Sing. Brent Buell is a playwright, producer, director and novelist.He is co-producer of A24's movie "Sing Sing." For ten years, Buell directed theater in New York's maximum-security prisons with plays ranging from John Steinbeck's "Of Mice and Men" to original works by prisoners. Those plays earned praise from critics, including from The New York Times. His comedy "Breakin' the Mummy's Code" premiered inside Sing Sing and...