Samara Weaving’s Emma Frost casting has Sydney Sweeney fans fighting over her perfect Marvel role. Samara Weaving’s Emma Frost casting has Sydney Sweeney fans choosing her Marvel roleMarvel scooper MyTimeToShineHello asked fans on X who Sydney Sweeney should play in the X-Men reboot. As previously reported, Samara Weaving landed the role of Emma Frost in the X-Men reboot..Who should Sydney Sweeney play in the X-Men reboot? Another admitted she would have been “an ok Emma Frost” but added that nothing else really comes to mind. Well, after Samara Weaving has been cast to play Emma Frost, I have no freaking clue.