Mark Kerr and his girlfriend Dawn Staples, played by Emily Blunt, go through this time together as he becomes increasingly more famous in the wrestling community. “ Viewers will no longer see “The Rock,” but simply a complex character played by a talented actor. Viewers will no longer see “The Rock,” but simply a complex character played by a talented actor. This does, however, backfire with the casting of character Mark Coleman, widely considered one of the most notable MMA figures of all time. Despite the film’s broader issues, Johnson truly deserves his flowers for depicting Mark Kerr with nuance and complex emotions, producing something truly beautiful.