Paul Solet Director, Screenwriter Antonio Banderas Blue Actor Adrien Brody Stacy Actor John Malkovich Walker Actor Ori Pfeffer The Handler Actor Alexandra Dinu Grace Actor Rory Culkin Gage Actor Jay Bogoslovov K-9 Cop Actor Deyan Petrov Young Walker Actor Kitodar Todorov Referee Actor Milos Djukelic Producer, Producer Yariv Lerner Producer Victor Shapiro Producer Rick Benattar Executive Producer Boaz Davidson Executive Producer Mark Gill Executive Producer Avi Lerner Executive Producer Zoran Popovic Cinematographer Josh Ethier Film Editing Austin Wintory Original Music Nikola Bercek Production Design Ivan Ranghelov Art Director Orlin Grozdanov Set Decoration Anna Gelinova Costume Design Luke Cousins Casting