watch 01:48 The Loop (TV) Do you like this video? Mark Piznarski is an American director on The CW's Riverdale. Contents[show] 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.
