On screen
Cast
21 credited performers
Charlie Saxton
Toby Domzalski (voice)
Lexi Medrano
Claire Nuñez (voice)
Kelsey Grammer
Blinky (voice)
Fred Tatasciore
AAARRRGGHH!!! / Additional Voices
Steve Alterman
Additional Voices
Mitch Carter
Additional Voices
Jonathan Hyde
Mr. Strickler (voice)
Anton Yelchin
Jim Lake Jr. (voice)
Amy Landecker
Barbara Lake (voice)
Artwork unavailable
Julie Falls
Additional Voices
Tom Kenny
Otto Scaarbach / Additional Voices / Mr. Nuñez
Clancy Brown
Gunmar (voice)
Yara Shahidi
Darci (voice)
Anjelica Huston
Queen Usurna (voice)
Lena Headey
Morgana / The Pale Lady (voice)
Ron Perlman
Bular (voice)
Emile Hirsch
Jim Lake Jr. (voice)
James Purefoy
Kanjigar / Amulet / Ghost Kanjigar
Guillermo del Toro
Señor Muelas (voice)
Diego Luna
Krel (voice)
Tom Hiddleston
Kanjigar (voice)