Hugh Jackman character Logan / Wolverine / Weapon X
Liev Schreiber character Victor Creed / Sabretooth
Danny Huston character William Stryker
Lynn Collins character Kayla Silverfox / Silver Fox
Taylor Kitsch character Remy LeBeau / The Gambit
Dominic Monaghan character Chris Bradley / Bolt
Kevin Durand character Fred Dukes / Blob
Will.i.am character John Wraith / Kestrel
Daniel Henney character David North / Agent Zero
Ryan Reynolds character Wade Wilson / Deadpool / Weapon XI
Tim Pocock character Scott Summers / Cyclops
Julia Blake character Heather Hudson
Max Cullen character Travis Hudson
Troye Sivan character James
Michael James Olsen character Young Victor
Peter O'Brien character John Howlett
Aaron Jeffery character Thomas Logan
Alice Parkinson character Elizabeth Howlett
Philip A. Patterson character Firing Squad Leader
Anthony Gee character Carnival Guy
Adelaide Clemens character Carnival Girl
Karl Beattie character School Child
Tom O'Sullivan character Logging Supervisor
Myles Pollard character Phelan
Stephen Anderton character Marcuse
Chris Sadrinna character Van Mier
Septimus Caton character Bartender
Matthew Dale character Surgeon
Nathin Butler character Male Nurse #1
Peter Barry character Male Nurse #2
David Ritchie character Dr. Cornelius
Asher Keddie character Dr. Carol Frost
Socratis Otto character Lead Technician - Alkali Lake
Stephen Leeder character General Munson
James D. Dever character Platoon Leader
Martin Obuga character Muttering Man
Rita Affua Connell character Nervous African Woman
John Shrimpton character Stryker Aide
Henry Browne character Curtis
Tahyna Tozzi character Kayla's Sister / Emma
Daniel Negreanu character Poker Player
Alexandra Davies character Woman of the Night
Don Battee character Huge Doorman
Evan Sturrock character Drunken Man in Alley
Rob Flanagan character Driver
Hakeem Kae-Kazim character African Businessman
Alison Araya character Teacher
Eric Breker character Special Forces Commander
Eileen Bui character Vietnamese Child
Adrian G. Griffiths character Hunter #1
Bryon Chief-Moon character Hunter #2
Mike Dopud character Vietnam Army Officer
Kanako Takegishi character Waitress
Panou character Tank Soldier
Jade Tang character Mutant Twin #1
Joelle Tang character Mutant Twin #2
Johnson Phan character Vietnamese Man
Elizabeth Thai character Vietnamese Woman
Warwick Young character Helicopter Pilot
Beatrice King character Waitress
Scott Adkins character Weapon XI (uncredited)
Dennis Kreusler character Soldier (uncredited)
Patrick Stewart character Charles Xavier / Professor X (uncredited)