Suggestions by @ringothedrummer

Albert Brooks

as Carmine Falcone in Batman: Guardian of Gotham

Brian Tyree Henry

as Harvey Bullock in Batman: Guardian of Gotham

Timothy Olyphant

as James Gordon in Batman: Guardian of Gotham

Sophia Lillis

as Batgirl in Batman: Guardian of Gotham

Caleb McLaughlin

as Robin in Batman: Guardian of Gotham

Lupita Nyong'o

as Catwoman in Batman: Guardian of Gotham

Jonathan Pryce

as Alfred Pennyworth in Batman: Guardian of Gotham

Pedro Pascal

as Batman in Batman: Guardian of Gotham

Zoë Kravitz

as Nr14 in The Batman-Catwoman recasting

Fionn Whitehead

as Spider-Man in Spider-Man Returns

Joaquin Phoenix

as Batsonjacksont (dead) in MyCast: The Watcher

Christopher Lloyd

as Gollum in The Lord of the Rings Trilogy (1981-1983)

Alec Guinness

as Gandalf in The Lord of the Rings Trilogy (1981-1983)

Johnny Depp

as Jacques Badeaux in Mycast: Tournament of the Ruler of Heaven and Earth

Kenneth Branagh

as Frodo Baggins in The Lord of the Rings Trilogy (1981-1983)

Bill Murray

as Garfield in ᎶᏗᏒᎦᎥᏋᏝᎴ: ᏂᏬᏁᎶᏋᏒ ᎧᎦ ᏖᏂᏋ ᏰᏋᏗᏕᏖ

Crispin Glover

as Nermal in ᎶᏗᏒᎦᎥᏋᏝᎴ: ᏂᏬᏁᎶᏋᏒ ᎧᎦ ᏖᏂᏋ ᏰᏋᏗᏕᏖ

Danny DeVito

as The Peach in Call Me By Your Name: Part II

Tom Hiddleston

as FBI Special Agent Phillip Jeffries in Twin Peaks

Lin-Manuel Miranda

as The Tin Woodman in The Wizard of Oz