Suggestions by @sonictiger

Amandla Stenberg

as Sofia Cane in Your Past And Mine

Noah Schnapp

as Eli Simmons in Your Past And Mine

Jenna Ortega

as Sara Russell in Your Past And Mine

Finn Wolfhard

as Jace Andrews in Your Past And Mine

Christophe Beck

as Composer in Return of The Fantastic Four

Greta Gerwig

as Producer in Return of The Fantastic Four

Daniel Kwan and Daniel Scheinert

as Director in Return of The Fantastic Four

sonictiger

as Writer in Return of The Fantastic Four

Bo Burnham

as "The Next Movie Is...." in Return of The Fantastic Four

Spoiler

as "The Next Movie Is...." in Return of The Fantastic Four

Nikolaj Coster-Waldau

as The One In The Castle in Return of The Fantastic Four

Spoiler

as The One In The Castle in Return of The Fantastic Four

John Mulaney

as H.E.R.B.I.E in Return of The Fantastic Four

Ariana DeBose

as Alicia Masters in Return of The Fantastic Four

Emilia Clarke

as Abigail Brand in Return of The Fantastic Four

John Swasey

as Galactus in Return of The Fantastic Four

Daniel Kaluuya

as The Silver Surfer in Return of The Fantastic Four

Griffin Gluck

as Spider-Man in Return of The Fantastic Four

Joe Keery

as The Human Torch in Return of The Fantastic Four

Alan Ritchson

as The Thing in Return of The Fantastic Four