Sarah Manning / Alison Hendrix / Cosima Niehaus / Rachel Duncan / Helena
Paul Dierden
Felix Dawkins
Detective Art Bell
Delphine Cormier
Siobhan Sadler
Cal Morrison
Dr. Marian Bowles
Dr. Nealon
Kira Manning
Donnie Hendrix
Scott
Mark Rollins / Rudy / Miller
Gracie Johanssen (as Zoé de Grand'Maison)
Ethan Duncan
Gemma Hendrix
Oscar Hendrix
Young Ethan Duncan
Young Rachel Duncan / Charlotte
Justice of the Peace
Nurse
Martin Funt (as Danny MacDonald)
Donnie's Mother
Male Nurse
Military Frisk (uncredited)