Brother Sun, Sister Moon is a 1972 historical drama film based on the hagiography of Saint Francis of Assisi. It is directed by Franco Zeffirelli from a screenplay he co-wrote with Suso Cecchi d'Amico, Lina Wertmüller and Kenneth Ross. It stars Graham Faulkner as Francis and Judi Bowker as Clare of Assisi, along with Leigh Lawson, Kenneth Cranham, Lee Montague, Valentina Cortese and Alec Guinness. The title of the film is from Francis' "Canticle of the Sun."