
Gawain And The Green Knight 1973 Based on the poem Sir Gawain And The Green Knight by Anonymous, screenplay by Philip M Breen and Stephen Weeks, directed by Stephen Weeks.

Nigel Green is the Green Knight. This is his last feature film as he died the year before. Murray Head plays Sir Gawain, you might remember him from his big hit One Night In Bangkok, he's also brother to Anthony Head. He's made a dozen albums but I've only heard that one song. He's made 14 movies but this is the only one I've seen.
The story follows the poem much better than The Green Knight. The Green Knight shows up on New Years Eve and offers a challenge to King Arthur's knights. The Green Knight offers a knight the first blow, a year and a day later his will meet the knight to take his turn. Gawain is the only one that volunteers. The king tells him to strike a blow that will leave the GK incapable of striking back. Gawain lops off the head of the Green Knight, the trick backfires after the GK picks up his head and says he'll see Gawain in a year and a day.
Gawain leaves to find the Green Knight, along the way he has some adventures that involve a woman called Linet, she's played by Ciaran Madden. She's part of a decent cast that includes Anthony Sharp, Robert Hardy, David Leland, Murray Melvin, Tony Steedman, Ronald Lacey, Willoughby Goddard, Geoffrey Bayldon and Richard Hurndall.
The effects for this film aren't as good as The Green Knight but the story makes more sense. I enjoyed it well enough and thought it was just a bit above average. You can see it on YouTube, link in the usual place.