Tatiana Maslany
Sarah / Cosima / Alison / Helena / Rachel
Jordan Gavaris
Felix 'Fee' Dawkins
Josh Vokey
Scott Smith
Maria Doyle Kennedy
Siobhan 'Mrs. S' Sadler
Ari Millen
Mark / Rudy / Miller / Ira
Kevin Hanchard
Detective Arthur 'Art' Bell
Kristian Bruun
Donald 'Donnie' Hendrix
