Suggestions by @ringothedrummer

Spoiler

as “The Author of the Journals” in Legion II

Willem Dafoe

as Jon Arbuckle in Legion II

Ben Mendelsohn

as Daffy Duck in Legion II

Rory Kinnear

as Porky Pig in Legion II

Raffey Cassidy

as Carrie in Legion II

Mads Mikkelsen

as Greg Heffley in Legion II

Jaeden Martell

as Bart Simpson in Legion II

Timothée Chalamet

as Ben Tennyson in Legion II

Grace Van Dien

as Bubbles in Legion II

Sadie Sink

as Kimberly Possible in Legion II

John C. Reilly

as Patrick Star in Legion II

Daniel Kaluuya

as Hobbes in Legion II

Florence Pugh

as Barbie in Legion II

Joaquin Phoenix

as Scooby-Doo in Legion II

Joaquin Phoenix

as Garfield in Legion II

Colman Domingo

as Odie in Legion II

Stellan Skarsgård

as Jim Davis in Legion II

Robert Downey Jr.

as Bugs Bunny in Legion II

David Lynch

as Bill Cipher in Legion II

Alex Hirsch

as Bill Cipher in Legion II