- Brit Marling as Prairie "OA" Johnson
- Emory Cohen as Homer Roberts
- Jason Isaacs ( Event Horizon ) as Dr. Hunter "Hap" Percy
- Scott Wilson as Abel Johnson
- Phyllis Smith as Betty "BBA" Broderick-Allen
- Alice Krige as Nancy Johnson
- Patrick Gibson as Steve Winchell
- Brendan Meyer as Jesse
- Brandon Perea as Alfonso "French" Sosa
- Ian Alexander as Buck Vu
Season 1
The O.A. [Season 1, Episode 1]
Homecoming
Shown 16 Dec 16
Seven years after vanishing from her home, a formerly blind young woman reappears with strange new abilities and recruits five strangers to help find the others with whom she was held captive.
The O.A. [Season 1, Episode 2]
New Colossus
Shown 16 Dec 16
The O.A. [Season 1, Episode 3]
Champion
Shown 16 Dec 16
The O.A. [Season 1, Episode 4]
Away
Shown 16 Dec 16
The O.A. [Season 1, Episode 5]
Paradise
Shown 16 Dec 16
The O.A. [Season 1, Episode 6]
Forking Paths (30 min)
Shown 16 Dec 16
The O.A. [Season 1, Episode 7]
Empire of Light
Shown 16 Dec 16
The O.A. [Season 1, Episode 8]
Invisible Self
Shown 16 Dec 16
