Mark Hamill, Lena Headey and David Bradley join Guillermo del Toro’s Trollhunters Season 2 Mark Hamill (Star Wars: The Last Jedi), Lena Headey (Game of Thrones) and David Bradley (the Harry Potter series) have joined Guillermo del Toro‘s Trollhunters Season 2. They’ll join a cast which includes Kelsey Grammer in his Emmy-winning role as Blinky, Ron Perlman (Bular), Steven Yeun (Steve), Anjelica Huston (Queen Ursurna), Jonathan Hyde (Strickler), Amy Landecker (Barbara) and Charlie Saxton (Toby).