Taylor Schilling

Character: Sarah Blume

Jackson Robert Scott

Character: Miles Blume

Colm Feore

Character: Arthur Jacobson

Brittany Allen

Character: Margaret St. James

Peter Mooney

Character: John Blume

Oluniké Adeliyi

Character: Rebecca

Elisa Moolecherry

Character: Zoe

Paula Boudreau

Character: Dr. Elaine Strasser

Paul Fauteux

Character: Edward Scarka

David Kohlsmith

Character: Miles (5 Years Old)

Ashley Black

Character: Hailey

Martha Girvin

Character: Miles' Foster Mom

Andrew MacDonald

Character: Miles (8 Years Old)

Alexander Campos

Character: Miles (2 Years Old)

Chris Scian

Character: Christopher

Ava Augustin

Character: Penmark Student

Olivia Croft

Character: CPS Officer

Mark Sparks

Character: Lead Officer

Michael Dyson

Character: Farmer

Brock Johnson

Character: Pawn Shop Owner

Grace Armas

Character: Exam Room Nurse

Milton Barnes

Character: Intensive Care Doctor

Jim Annan

Character: Buchanan Teacher

Tristan Vasquez

Character: Dash

Byron Abalos

Character: Penmark Instructor

Martin Roach

Character: Dr. Kagan

Janet Land

Character: Sarah's Mother

Nicholas McCarthy

Character: Penmark supervisor