La Luna is a 1979 drama film directed by Bernardo Bertolucci from a screenplay co-written with his brother Giuseppe and wife Clare Peploe. The film concerns the troubled life of a teenage boy and his relationship with his parents, including an incestuous relationship with his opera singer mother. It stars Jill Clayburgh, Matthew Barry, Tomas Milian, Fred Gwynne, Veronica Lazăr, and Alida Valli.