Jessica Chastain

Jessica Chastain will portray the main antagonist in Dark Phoenix.

Trivia

She was rumored to portray Lilandra Neramani of the Sh'iar Empire, however, a deleted Instagram comment by Chastain revealed that she will not be playing the character. ^[1]^[2]
Chastain portrayed Eleanor Rigby in The Disappearance of Eleanor Rigby with James McAvoy.
Chastain worked with Brad Pitt in The Tree of Life.
Chastain will star in It: Chapter Two with Deadpool 2 actor Bill Skarsgård and James McAvoy.

X-Men
Hugh Jackman • Patrick Stewart • Ian McKellen • Anna Paquin • James Marsden • Rebecca Romijn • Famke Janssen • Halle Berry • Bruce Davison • Ray Park • Tyler Mane • Shawn Ashmore

X2: X-Men United
Hugh Jackman • Patrick Stewart • James Marsden • Halle Berry • Ian McKellen • Famke Janssen • Brian Cox • Rebecca Romijn • Alan Cumming • Kelly Hu • Anna Paquin • Shawn Ashmore • Aaron Stanford • Michael Reid McKay • Daniel Cudmore • Katie Stuart • Bryce Hodgson • Kea Wong • Shauna Kain • Steve Bacic

X-Men: The Last Stand

X-Men Origins: Wolverine
Hugh Jackman • Troye Sivan • Liev Schreiber • Michael-James Olsen • Ryan Reynolds • Danny Huston • Taylor Kitsch • Lynn Collins • Daniel Henney • Kevin Durand • Will.i.am • Dominic Monaghan • Tahyna Tozzi • Tim Pocock • Peter O'Brien • Alice Parkinson • Max Cullen • Julia Blake • Patrick Stewart • Asher Keddie • Stephen Leeder

X-Men: First Class
James McAvoy • Laurence Belcher • Michael Fassbender • Bill Milner • Jennifer Lawrence • Morgan Lily • Rebecca Romijn • Nicholas Hoult • January Jones • Kevin Bacon • Rose Byrne • Caleb Landry Jones • Lucas Till • Zoë Kravitz • Edi Gathegi • Jason Flemyng • Alex Gonzalez • Oliver Platt • Hugh Jackman

The Wolverine
Hugh Jackman • Tao Okamoto • Rila Fukushima • Svetlana Khodchenkova • Will Yun Lee • Hiroyuki Sanada • Hal Yamanouchi • Ken Yamamura • Brian Tee • Famke Janssen • Patrick Stewart • Ian McKellen

X-Men: Days of Future Past
James McAvoy • Patrick Stewart • Michael Fassbender • Ian McKellen • Jennifer Lawrence • Hugh Jackman • Nicholas Hoult • Anna Paquin • Shawn Ashmore • Ellen Page • Peter Dinklage • Omar Sy • Halle Berry • Daniel Cudmore • Booboo Stewart • Fan Bingbing • Adan Canto • Evan Peters • Josh Helman • Lucas Till • Kelsey Grammer • Brendan Pedder

Deadpool
Ryan Reynolds • Morena Baccarin • T.J. Miller • Ed Skrein • Gina Carano • Brianna Hildebrand • Andre Tricoteux • Leslie Uggams

X-Men: Apocalypse
James McAvoy • Michael Fassbender • Rose Byrne • Jennifer Lawrence • Nicholas Hoult • Oscar Isaac • Evan Peters • Tye Sheridan • Sophie Turner • Alexandra Shipp • Kodi Smit-McPhee • Ben Hardy • Lana Condor • Olivia Munn • Lucas Till