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2 Season(s)Sci-Fi & FantasyMysteryDramaParents Guide
7.5

Seven years after vanishing from her home, a young woman returns with mysterious new abilities and recruits five strangers for a secret mission.

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Top Cast

Brit Marling

Brit Marling

OA / Nina Azarova

Jason Isaacs

Jason Isaacs

Dr. Hunter 'Hap' Percy

Emory Cohen

Emory Cohen

Homer Roberts

Kingsley Ben-Adir

Kingsley Ben-Adir

Karim Washington

Phyllis Smith

Phyllis Smith

Elizabeth 'Betty' Broderick-Allen

Patrick Gibson

Patrick Gibson

Steve Winchell

Brendan Meyer

Brendan Meyer

Jesse

Brandon Perea

Brandon Perea

Alfonso 'French' Sosa

Ian Alexander

Ian Alexander

Buck Vu / Michel Vu

Will Brill

Will Brill

Scott Brown

Sharon Van Etten

Sharon Van Etten

Rachel

Paz Vega

Paz Vega

Renata

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