Knightfall Renewed for Season 2, Mark Hamill Joins Cast History has announced that they have renewed the hit drama series Knightfall for a second season. They have also confirmed that Mark Hamill (Star Wars) has officially signed on to join the cast of Knightfall‘s season 2 and that Aaron Helbing (The Flash) will serve as the series’ showrunner and executive producer. Hamill is set to play Talus, a battle-hardened Knight Templar veteran of the Crusades, who survived captivity for ten years in the Holy Land and is tasked with training the new initiates to the Order. “In the face of ever-increasing competition, we’re proud of HISTORY’s track record of producing signature drama series that are epic in scope with complex characters,” Eli Lehrer, History’s Executive Vice President of Programming said.“Whether it’s the legendary Knights Templar, the extraordinary tale of medieval Norsemen, or the story of a formerly classified United States Air Force program investigating UFOs during the Cold War, these series reflect our commitment to bringing the defining, big canvas stories of history to life.