Tatiana Maslany Sarah, Beth Actor Jordan Gavaris Felix Actor Kevin Hanchard Art Actor Ari Millen Ira Actor Kristian Bruun Donnie Actor Josh Vokey Scott Actor Maria Doyle Kennedy Mrs. S Actor Dylan Bruce Paul Dierden Guest Star Skyler Wexler Kira Guest Star Alison Steadman Kendall Guest Star Rosemary Dunsmore Susan Guest Star Joel Thomas Hynes Dizzy Guest Star Sarain Boylan Astrid Guest Star Julian Richings Benjamin Kertland Guest Star Ian Matthews Frank Guest Star Miranda Edwards Roxie Guest Star Gord Rand Marty Duko Guest Star Ivan Schneeberg Executive Producer David Fortier Executive Producer