Garry Gordon Marcus Chalk (born February 17, 1952) is an English-born Canadian actor. He portrayed J.G. Walker in a guest starring role in the fifth season of Arrow. Contents[show] Credits Arrow Actor Season 5 "The Recruits" J.G. Walker "Who Are You?" J.G. Walker "Bratva" J.G. Walker Trivia Walker previously worked with Robbie Amell in the movie Scooby Doo: The Mystery Begins. External links Garry Chalk at the Internet Movie Database Retrieved from "https://arrow.fandom.com/wiki/Garry_Chalk?oldid=523777" Categories: Actors Guest stars Community content is available under CC-BY-SA unless otherwise noted.