Adam Harrington, known for his work on “Queer As Folk” and “Dexter,” has joined the Secret Circle pilot project as a guest star. Harrington will be playing Adam’s~Thomas Dekker father, Ethan Conant.
“Snakes on a Plane” survivor Emily Holmes will also be guest starring in the new CW Fall Pilot. Holmes will playing Cassie’s~Britt Robertson 
deceased mother, Amelia Blake.
Source: Zap2it