Suggestions by @ff

Amy Sedaris

as Ryouko Sakurai in GTO: Great Teacher Onizuka

Jim Broadbent

as Walter Evans in Spy x Family

Brett Gelman

as Dworkin Barimen in The Chronicles of Amber

Elle Fanning

as Shion in That Time I Got Reincarnated as a Slime

Daryl McCormack

as Rigur in That Time I Got Reincarnated as a Slime

Mustafa Shakir

as Rigurd in That Time I Got Reincarnated as a Slime

Moisés Arias

as Gobta in That Time I Got Reincarnated as a Slime

Paul Walter Hauser

as Kaijin in That Time I Got Reincarnated as a Slime

Kristian Nairn

as Geld in That Time I Got Reincarnated as a Slime

Evanna Lynch

as Treyni in That Time I Got Reincarnated as a Slime

Mackenyu

as Benimaru in That Time I Got Reincarnated as a Slime

Jesse Eisenberg

as Gobzo in That Time I Got Reincarnated as a Slime

Tom Hiddleston

as Diablo in That Time I Got Reincarnated as a Slime

Benedict Cumberbatch

as Vesta in That Time I Got Reincarnated as a Slime

Hiroyuki Sanada

as Hakuro in That Time I Got Reincarnated as a Slime

John Cena

as Veldora Tempest in That Time I Got Reincarnated as a Slime

Matt Ryan

as Jered in Dungeon Keeper Ami

David Krumholtz

as Tasbaal in Dungeon Keeper Ami

Ragga Ragnars

as Cathy in Dungeon Keeper Ami

Kim Yoo-jung

as Ami in Dungeon Keeper Ami