Suggestions by @philippedoylepean

Arnold Schwarzenegger

as Thanos in Infinity War part 1

Jason Segel

as Ben Grimm in Infinity War part 1

Giancarlo Esposito

as Charles Xavier in Infinity War part 1

Jason Isaacs

as Magneto in Infinity War part 1

Marcel Ruiz

as Franklin Richard in Infinity War part 1

Pedro Pascal

as Reed Richards in Infinity War part 1

Amanda Seyfried

as Sue Storm in Infinity War part 1

Megan Fox

as Emma Frost in Infinity War part 1

Anna Diop

as Storm in Infinity War part 1

Ross Lynch

as Johnny Storm in Infinity War part 1

Garrett Clayton

as Bobby Drake in Infinity War part 1

Miles Brown

as Miles Morales in Infinity War part 1

Milly Alcock

as Gwen in Infinity War part 1