Orphan Black Co-Creator Tapped as Snowpiercer Showrunner Kristin Brzoznowski February 28, 2018 Top Stories Graeme Manson, who co-created Orphan Black, has signed on as showrunner for TNT’s post-apocalyptic sci-fi series Snowpiercer. The content you are trying to access is only available to members. Log In Register Graeme Manson Snowpiercer TNT 2018-02-28 Kristin Brzoznowski Share