Blinky
Kelsey Grammer
Jim Lake Jr.
Anton Yelchin
Bular
Ron Perlman
Claire Nuñez (voice)
Lexi Medrano
Toby
Charlie Saxton
Steve
Steven Yeun
Barbara Lake (voice)
Amy Landecker
AAARRRGGHH!!! (voice)
Fred Tatasciore
Mr. Strickler
Jonathan Hyde
Angor Rot
Ike Amadi
Darci (voice)
Yara Shahidi
Kanjigar (voice)
Tom Hiddleston
Kanjigar
James Purefoy
Nana Domzalski/Ms. Janeth
Laraine Newman
Clancy Brown
Dictatious
Mark Hamill
Queen Ursurna
Anjelica Huston
Frank Welker
Eli Pepperjack (voice)
Cole Sand
Morgana
Lena Headey
Merlin
David Bradley
Mitch Carter
Joanna Leeds
Jim Pirri
Jim Lake Jr. (voice)
Emile Hirsch
Alan Shearman
Grey Griffin
Victor Raider-Wexler
Matthew Waterson
Julie Falls