Suggestions by @marjules

Ralph Fiennes

as Charles Xavier in X-Men's Sunspot

Elizabeth Gillies

as Anna Marie in X-Men's Sunspot

François Civil

as Remy LeBeau in X-Men's Sunspot

Joaquin Phoenix

as Sebastian Shaw in X-Men's Sunspot

Antonio Banderas

as Nathaniel Essex in X-Men's Sunspot

Anya Taylor-Joy

as Illyana Rasputin in X-Men's Sunspot

Mckenna Grace

as Alison Blaire in X-Men's Sunspot

Peyton Elizabeth Lee

as Jubilation Lee in X-Men's Sunspot

Tom Hardy

as Logan in X-Men's Sunspot

Samara Weaving

as Emma Frost in X-Men's Sunspot

Ayla Browne

as Illyana Raspoutine in X-Men's Sunspot

Jake Gyllenhaal

as Donald Pierce in X-Men's Sunspot

Victoria Justice

as Juliana in X-Men's Sunspot

Constance Marie

as Nina Da Costa in X-Men's Sunspot

David Zayas

as Emmanuel Da Costa in X-Men's Sunspot

Avan Jogia

as Roberto Da Costa in X-Men's Sunspot