Official Trailer
Trailer
Season 1 · Episode 1 of 8
A woman missing for seven years turns up at a hospital with strange scars on her back but can't -- or won't -- reveal where she's been.
Brit Marling
OA / Nina Azarova
Jason Isaacs
Dr. Hunter 'Hap' Percy
Emory Cohen
Homer Roberts
Kingsley Ben-Adir
Karim Washington
Phyllis Smith
Elizabeth 'Betty' Broderick-Allen
Patrick Gibson
Steve Winchell
Brendan Meyer
Jesse
Brandon Perea
Alfonso 'French' Sosa
Ian Alexander
Buck Vu / Michel Vu
Will Brill
Scott Brown
Sharon Van Etten
Rachel
Paz Vega
Renata
Chloë Levine
Angie
Official Trailer
Trailer
Seven years after vanishing from her home, a young woman returns with mysterious new abilities and recruits five strangers for a secret mission.
