David Leitch Director Ryan Reynolds Wade Wilson, Deadpool Actor, Screenwriter, Producer Josh Brolin Cable Actor Morena Baccarin Vanessa Actor Zazie Beetz Domino Actor Brianna Hildebrand Negasonic Teenage Warhead Actor Julian Dennison Firefist Actor Stefan Kapicic Colossus Voice T.J. Miller Weasel Actor Terry Crews Bedlam Actor Bill Skarsgård Zeitgeist Actor Rob Delaney Peter Actor Shiori Kutsuna Yukio Actor Leslie Uggams Blind Al Actor Karan Soni Dopinder Actor Jack Kesy Black Tom Actor Lewis Tan Shatterstar Actor Eddie Marsan Headmaster Actor Matt Damon Redneck No. 1 Actor Rhett Reese Screenwriter Paul Wernick Screenwriter, Executive Producer Simon Kinberg Producer Lauren Shuler Donner Producer Stan Lee Executive Producer Jonathon Komack Martin Executive Producer Kelly McCormick Executive Producer Ethan Smith Executive Producer Aditya Sood Executive Producer Jonathan Sela Cinematographer Craig Alpert Film Editing Elísabet Ronaldsdóttir Film Editing Dirk Westervelt Film Editing Tyler Bates Original Music David Scheunemann Production Design Roger Fires Art Director Peter Ochotta Art Director Sandy Walker Set Decoration Kurt & Bart Costume Design Marisol Roncali Casting Mary Vernieu Casting