The OA

Brit Marling plays OA / Nina Azarova and Prairie Johnson, who is a young woman with mysterious origins and experiences.

Jason Isaacs portrays Dr. Hunter 'Hap' Percy, a sinister scientist with a hidden agenda.

Emory Cohen takes on the role of Homer Roberts, one of the captives who shares a connection with Prairie.

Kingsley Ben-Adir plays Karim Washington, a detective who becomes entwined in the mystery surrounding the OA.

Phyllis Smith is Elizabeth 'Betty' Broderick-Allen, a supportive teacher who becomes involved with Prairie's story.

Patrick Gibson stars as Steve Winchell, a troubled high school student dealing with his own struggles.

Brendan Meyer plays Jesse, one of the teenagers in the group influenced by Prairie's story.

Brandon Perea is Alfonso 'French' Sosa, a high-achieving student who investigates Prairie's mysterious past.

Will Brill portrays Scott Brown, another captive connected to Prairie and Homer.

Alice Krige takes on the role of Nancy Johnson, Prairie’s adoptive mother.

Sharon Van Etten plays Rachel, one of the prisoners with Prairie during her abduction.