Ryan Reynolds
Wade Wilson / Deadpool / Juggernaut (voice)
Brianna Hildebrand
Negasonic Teenage Warhead
Stefan Kapičić
Colossus (voice)
Nikolai Witschl
Head Orderly Frye
Thayr Harris
Sergei Valishnikov
Alan Tudyk
Luke - Redneck #1
Michasha Armstrong
Swat Captain (School)
Islie Hirvonen
Cable's Daughter
Jagua Arneja
Tree Trimmer #1
Gerry South
Tree Trimmer #2
Eleanor Walker
Neighbor #3
Hunter Dillon
Branding Boy
Sonia Sunger
News Reporter (Irene)
Paul Wernick
News Cameraman
Rhett Reese
News Helicopter Pilot
Abiola Uthman
Chinook Pilot
Tony Bailey
Black Tom Gang Member
Alex Kliner
Park Bench Couple
Elaine Kliner
Park Bench Couple
David Leitch
Ground Chuck Mutant
Valencia Budijanto
Zoo Kid
Stefania Indelicato
Bystander
Myfanwy Williams
Strip Club Dancer
Sam Armstrong
Strip Club Dancer
Alison Pickford
Strip Club Dancer
Paul Lazenby
Strip Club Baddie
Noah Beggs
Strip Club Baddie
Andrei Kovski
Strip Club Baddie
Alicia Morton
Vocalist on 'Tomorrow' (voice)
Fred Savage
Fred Savage (uncredited)
Andre Tricoteux
On-Set Colossus (uncredited)
James McAvoy
Charles Xavier / Professor X (uncredited)
Nicholas Hoult
Hank McCoy / Beast (uncredited)
Evan Peters
Peter Maximoff / Quicksilver (uncredited)
Tye Sheridan
Scott Summers / Cyclops (uncredited)
Alexandra Shipp
Ororo Monroe / Storm (uncredited)
Kodi Smit-McPhee
Kurt Wagner / Nightcrawler (uncredited)