watch 01:56 The Loop (TV) Do you like this video? Play Sound Mark Piznarski is an American director on The CW's Riverdale. Contents 1 Credits 1.1 Director 1.1.1 Season 1 1.1.2 Season 2 2 External links 3 References Credits Director Season 1 "Chapter Four: The Last Picture Show" Season 2 "Chapter Twenty-Eight: There Will Be Blood" External links Mark Piznarski at the Internet Movie Database References Categories: Crew Riverdale Crew Community content is available under CC-BY-SA unless otherwise noted.