The X-Men's dream is put to the test as mutant-human relations reach a tipping point.
| Name | Type | Role | |
|---|---|---|---|
| Beau DeMayo | Writer | ||
| Anthony Sellitti | Writer | ||
| Gil Birmingham | Guest Star | Forge | |
| JP Karliak | Guest Star | Radio Jockey / World Leader | |
| Ross Marquand | Guest Star | Professor X / Apocalypse | |
| Isaac Robinson-Smith | Guest Star | King T'Chaka | |
| Adetokumboh M'Cormack | Guest Star | En Sabah Nur | |
| Matthew Waterson | Guest Star | World Leader | |
| Chris Potter | Guest Star | Cable | |
| Josh Keaton | Guest Star | Captain America | |
| Theo James | Guest Star | Bastion | |
| Christopher Britton | Guest Star | Mister Sinister | |
| Jennifer Hale | Guest Star | World Leader | |
| Gates McFadden | Guest Star | Mother Askani | |
| Chase Conley | Director |