Suggestions by @maxhedroom

Christopher Walken

as John Malkovich in The Fantastic Four: First Steps (2005)

Jon Favreau

as The Thing in The Fantastic Four: First Steps (2005)

Kiefer Sutherland

as The Thing in The Fantastic Four: First Steps (2005)

David Morse

as The Thing in The Fantastic Four: First Steps (2005)

Mary Lynn Rajskub

as Natasha Lyonne in The Fantastic Four: First Steps (2005)

Bill Nighy

as Galactus in The Fantastic Four: First Steps (2005)

Val Kilmer

as Victor Von Doom / Doctor Doom in The Fantastic Four: First Steps (2005)

Michael Douglas

as Victor Von Doom / Doctor Doom in The Fantastic Four: First Steps (2005)

Warren Beatty

as Victor Von Doom / Doctor Doom in The Fantastic Four: First Steps (2005)

John Hurt

as Galactus in The Fantastic Four: First Steps (2005)

Bob Hoskins

as Galactus in The Fantastic Four: First Steps (2005)

James Fox

as Galactus in The Fantastic Four: First Steps (2005)

Tom Wilkinson

as Galactus in The Fantastic Four: First Steps (2005)

Giancarlo Esposito

as Mr. Fantastic in The Fantastic Four: First Steps (2005)

Jessica Biel

as The Silver Surfer in The Fantastic Four: First Steps (2005)

Pete Postlethwaite

as Galactus in The Fantastic Four: First Steps (2005)

Peter Sarsgaard

as The Thing in The Fantastic Four: First Steps (2005)

Benjamin Bratt

as Mr. Fantastic in The Fantastic Four: First Steps (2005)

Vince Vaughn

as The Thing in The Fantastic Four: First Steps (2005)

Charlie Hunnam

as The Human Torch in The Fantastic Four: First Steps (2005)