Guest Stars
Donna Kimball
voices Aughra
Gugu Mbatha-Raw
voices Seladon
Mark Hamill
voices The Scientist
Jason Isaacs
voices The Emperor
Simon Pegg
voices The Chamberlain
Caitríona Balfe
voices Tavra
Benedict Wong
voices The General
Victor Yerrid
voices Hup
Harris Dickinson
voices Gurjin
Neil Sterenberg
voices The Scroll Keeper
Awkwafina
voices The Collector
Kevin Clash
voices Gruenak #1
Harvey Fierstein
voices The Gourmand
Ólafur Darri Ólafsson
voices The Archer
Neil Sterenberg
voices Gruenak #2
Hannah John-Kamen
voices Naia
Ralph Ineson
voices The Hunter
Mark Strong
voices Ordon
Shazad Latif
voices Kylan
Alice Dinnean
voices The Ornamentalist
Louise Gold
voices Podling Servant #2
