Suggestions by @messikimpakala

Rob Reiner

as Dr. Julius Reichwein in Monster

Roman Griffin Davis

as Young Johan Liebert in Monster

Piotr Fronczewski

as Karel Lanke in Monster

Natalie Portman

as Viera Cerna in Monster

Sebastian Koch

as Herbert Knaup in Monster

Daniel Brühl

as Kristoff Sievernich in Monster

Udo Kier

as Peter Capek in Monster

Brendan Fraser

as Inspector Zeman in Monster

Donald Sutherland

as Hans Georg Schuwald in Monster

Rolf Hoppe

as Hans Georg Schuwald in Monster

Max Riemelt

as Dr. Rudi Gillen in Monster

Bill Camp

as Milan Kolasch in Monster

Werner Herzog

as General Wolf in Monster

Peter Dinklage

as The Baby in Monster

Rufus Sewell

as Richard Brown in Monster

Ken Watanabe

as Dr.Kenzo Temma in Monster

Louis Partridge

as Johan Liebert in Monster

A24

as Producer in Feather

Lochlyn Munro

as Mr. Lodge in Feather

Olivia Wilde

as Director in Feather