Guest Stars Linden Ashby as Sheriff Noah Stilinski Melissa Ponzio as Melissa McCall Ryan Kelley as Deputy Jordan Parrish Seth Gilliam as Dr. Alan Deaton Khylin Rhambo as Mason Hewitt Cody Christian as Theo Raeken Michael Johnston as Corey Bryant Victoria Moroles as Hayden Romero Susan Walters as Natalie Martin Claire Bryétt Andrew as Sydney Kelsey Chow as Tracy Stewart Cody Saintgnue as Brett Talbot