The former Glee star's chequered dating history has been laid bare. Mark was most recently linked with Nickelodeon actress Denyse Tontz. The He confirmed the romance and described her as “talented and beautiful on the inside and out.” . Cory Monteith's Autopsy documentary reveals the Glee star. ultimate-haunted-houses.com posted a story for Denyse Tontz and Mark Salling · Jul 24, ·. Mark Salling & Nickelodeon's Denyse Tontz: He Reveals Their New Romance. Sorry ladies, Mark The Glee actor, 31, is dating year-old Disney star and singer Denyse Tontz, the actor confirms exclusively to Us Weekly. According to an. Denyse Tontz news stories posted by our user community. Mark Salling & Nickelodeon's Denyse Tontz: He Reveals Their New Romance. Sorry ladies, Mark.