Sir Gawain
Linet (as Cyrielle Claire)
Humphrey
The Green Knight
The King
Seneschal - Gaspar
Oswald
Lady of Lyonesse
Baron Fortinbras
Porter
Sir Bertilak
The Black Knight
Friar Vosper
Sage
Morgan La Fay (as Emma Sutton)
Armourer
Priest
Tiny Man
Sergeant (as John Pierce-Jones)
1st Recruit
2nd Recruit (as Ric Morgan)
3rd Recruit (as Peter MacKriel)
1st Torturer
2nd Torturer
Messenger
Sir Gawain (voice) (uncredited)