Tatiana Maslany Sarah, Beth Actor Dylan Bruce Paul Actor Jordan Gavaris Felix Actor Kevin Hanchard Art Actor Evelyne Brochu Delphine Actor Maria Doyle Kennedy Mrs. S Actor Michiel Huisman Cal Morrison Guest Star Michelle Forbes Dr. Marian Bowles Guest Star Tom McCamus Dr. Nealon Guest Star Skyler Wexler Kira Guest Star Kristian Bruun Donnie Hendrix Guest Star Josh Vokey Scott Guest Star Ari Millen Mark Guest Star Zoé De Grand Maison Gracie Johanssen Guest Star Andrew Gilles Ethan Duncan Guest Star Ivan Schneeberg Executive Producer David Fortier Executive Producer