The Green Knight is a 2021 epic medieval fantasy adventure written, produced, directed and edited by David Lowery. It is an adaptation from the 14th-century poem Sir Gawain and the Green Knight. The film 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 and Barry Keoghan.

​

Some sequences from the film were shot at Charleville Castle, on the outskirts of Tullamore.