The Thing. Keep Kurt Russell.

Apocalypse Now. Keep Sheen human and everyone else become Muppets.

I need to see the napalm/surfing scene with Muppets.

The sixth sense, haley joel osment

Inception, keep DiCaprio

Castaway. Tom Hanks.

In the Mouth of Madness, keep Jurgen Prochnow.

Repo Man, Tracey Walter.

Buckaroo Banzai, John Lithgow

Liquid Sky, Otto von Wernherr

Deep throat - Linda Lovelace

'Come and see' but i cant decide who the non-muppet should be.

Dark City, Kiefer Sutherland

Not a movie, but the first episode of Black Mirror and I'll keep the pig.

Or any of Nick Cage's movies and keep Nick Cage.

John Wick. Keep Keanu. Everyone else are muppets.

Muppet Christmas Carol.

Michael Cane.

Willard, crispin glover. Replace all the rats with rizzo

The Death of Stalin where Stalin is the only human.

The Shining

Shelley Duvall

The Sunset Limited. Samuel L. Jackson will remain, Tommy Lee Jones is replaced by a muppet. The movie is a joke room drama where Jackson's character has stopped Jones's from commiting suicide and trying to talk him out of not doing it again.