Guillermo del Toro Creator, Executive Producer Kelsey Grammer Blinky Voice Anton Yelchin Jim Lake Jr. Voice Charlie Saxton Toby Voice Lexi Medrano Claire Voice Ron Perlman Bular Voice Jonathan Hyde Mr. Strickler Voice Fred Tatasciore Aaarrrgh Voice Amy Landecker Barbara Voice Steven Yeun Steve Voice James Purefoy Kanjigar Voice Laraine Newman Nana Domzalski, Ms. Janeth Voice Mark Hamill Dictatious Voice Lena Headey Morgana Voice David Bradley Merlin Voice Anjelica Huston Queen Ursurna Voice Marc Guggenheim Executive Producer Rodrigo Blaas Executive Producer Christina Steinberg Executive Producer Chad Hammes Executive Producer