Suggestions by @anthonysan

John Noble

as Galactus in Fantastic Four-MCU

Denzel Washington

as William Fowler in Transformers

Andy Pessoa

as Raf Esquivel in Transformers

Vin Diesel

as Motormaster in Transformers

Adam Baldwin

as Breakdown in Transformers

Daran Norris

as Knock Out in Transformers

Frank Grillo

as Brawl in Transformers

Manu Bennett

as Onslaught in Transformers

Andrew Lincoln

as Mirage in Transformers

Dean O'Gorman

as Sunstreaker in Transformers

Lauren Cohan

as Firestar in Transformers

Scarlett Johansson

as Moonracer in Transformers

Emily Blunt

as Chromia in Transformers

Mark Wahlberg

as Wade Wilson in X-Men

Willa Holland

as Wanda Maximoff in X-Men

Richard Armitage

as Logan in X-Men

Aidan Gillen

as Norman Osborn in Ultimate Six

Asa Butterfield

as Harry Osborn in Ultimate Spider-Man

Aidan Gillen

as Norman Osborn in Ultimate Spider-Man

Willa Holland

as Wanda Lensherr in Ultimate X-Men