The Green Knight is a 2021 epic medieval fantasy adventure film written, produced, directed and edited by David Lowery. It is an adaptation from the 14th-century poem Sir Gawain and the Green Knight and stars Dev Patel as Gawain, who sets out on a journey to test his courage and face the Green Knight. It also stars Alicia Vikander, Joel Edgerton, Sarita Choudhury, Sean Harris, and Ralph Ineson as the titular character.