Guest Stars Tyler Blackburn as Caleb Rivers Keegan Allen as Toby Cavanaugh Janel Parrish as Mona Vanderwaal Brendan Robinson as Lucas Gottesman Brant Daugherty as Noel Kahn Yani Gellman as Garrett Reynolds Shane Coffey as Holden Strauss Bahni Turpin as Crisis Center Manager Co Starring Anthony Tyler Quinn as Ron
