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Sir Patrick Stewart, who died at 86 on Wednesday, spent seven seasons as Captain Jean-Luc Picard in "Star Trek: The Next Generation," which premiered in 1987 and is one of the sci-fi shows from the '80s that still hold up today . Stewart wasn't new to acting when he got the part, though. He had joined the Royal Shakespeare Company all the way back in 1966, and a few years before he was cast as Picard, he also showed up in one of the better-known fantasy movies of the '80s.

That movie is "Excalibur," director John Boorman's 1981 take on the legend of King Arthur, which is based on Thomas Malory's "Le Morte d'Arthur." Stewart played Leondegrance, a lord and knight who ends up being one of the first people to back Arthur as king. He wasn't the lead, as that role went to Nigel Terry, with Nicol Williamson playing Merlin.…