- Jack Kesy - Black Tom Cassidy
- Eddie Marsan - Headmaster
- Shioli Kutsuna - Yukio / Pinkie Pie
- Stefan Kapičić - Piotr Rasputin / Colossus (voice)
- Randal Reeder - Buck
- Rob Delaney - Peter
- Lewis Tan - Gaveedra-Seven / Shatterstar
- Bill Skarsgård - Axel Cluney / Zeitgeist
- Terry Crews - Jesse Aaronson / Bedlam
- Brad Pitt - Telford Porter / Vanisher
- Paul Wu - Hong Kong Boss
- Robert Maillet - Sluggo
- Alan Tudyk - Luke - Redneck #1
- Matt Damon - Redneck #2
- Michasha Armstrong - Swat Captain (School)
- Hayley Sales - Cable's Wife
- Islie Hirvonen - Cable's Daughter
- Jagua Arneja - Tree Trimmer #1
- Gerry South - Tree Trimmer #2
- Mike Dopud - Prison Guard
- Luke Roessler - Cereal Kid
- Andy Canete - Neighbor #1
- Tanis Dolman - Neighbor #2
- Eleanor Walker - Neighbor #3
- Hunter Dillon - Branding Boy
- Sonia Sunger - News Reporter (Irene)
- Abiola Uthman - Chinook Pilot
- Alex Kliner - Park Bench Couple
- Alicia Morton - Vocalist on 'Tomorrow' (voice)
- Lisa Bunting - Child Protection Worker (uncredited)
- Miles Ellis - Waving Prisoner (uncredited)
- Sam Hargrave - DMC Guard (uncredited)
- Nicholas Hoult - Beast (uncredited)
- James McAvoy - Charles Xavier (uncredited)
- Evan Peters - Quicksilver (uncredited)
- Tye Sheridan - Cyclops (uncredited)
- Alexandra Shipp - Storm (uncredited)
- Kodi Smit-McPhee - Nightcrawler (uncredited)
- Scott Vickaryous - Thug (uncredited)
- Dan Zachary - Mutant Prisoner (uncredited)
- Darrin Prescott
- Robert S. Weber
- Jayson Merrill
- Brad Medhurst
- David Leitch
- Ryan Reynolds
- Paul Wernick
- Rhett Reese
- Johnny Gidcomb
- Mary Vernieu
- Lauren Shuler Donner
- Yumi Takada
- Jonathon Komack Martin
- Marisol Roncali
- Dan O'Connell
- Tyler Bates
- Gina Mueller
- Smokey Cloud
- Tim Gomillion
- Paul Massey
Capítulo disponible en las siguientes plataformas:
