Another cast member of Ravenswood announced

ABC Family is on a roll with announcing the Ravenswood cast members. Today they announced Merrit Patterson will portray the rol of the former best from to Elizabeth Whitson's Olivia .

This actress, whom you may know from Kyle XY and Supernatural, is the newest cast member of the Pretty Little Liars spin-off series Ravenswood. Previously ABC Family announced that Tyler Blackburn will move to Ravenswood and that Brett Dier and Elizabeth Whitson will portray twins.

Patterson portrays Tess, Olivia's former best friend who is not involved with the curse. She'll appear in the subsequent Ravenswood episodes that follow the series' Halloween installments.