According to Deadline, Mark Hamil play the role of Talus.
Mark Hamill, steracteur from Star Wars and the voice of the Joker in the cult cartoon Batman, joins the cast of the TV series, Knightfall.
He plays in the second season, which focuses on the mysterious orders of the knights Templar, who in the middle Ages, the holiest relics of christianity too.
According to Deadline, Mark Hamil play the role of Talus, a veteran of the crusades, that the young Templar training.
Also Tom Forbes, Genevieve Gaunt and Tom Cullen will be in the series are discussed.