<Tr> <Th> Species </Th> <Td> Half - mutant, Half - Demon </Td> </Tr> <Tr> <Th> Gender </Th> <Td> Female </Td> </Tr> <P> Diana Walter is a fictional character in the Lights Out series . She is uncredited in the 2013 film and portrayed by Alicia Vela - Bailey in the 2016 film . She serves as the antagonist of the films . She is a vengeful ghost - like entity that attacks people in the dark . </P> <P> Diana is an unnamed figure that appears as a silhouette in the hallway of a woman's apartment . As the woman turns the lights off and on, the figure soon appears to be closer . When the woman is in her bedroom and the light flickers, she hides but when she turns around, she sees the face and hands of a figure with pupil-less eyes and open mouth . The figure turns off the light on the night stand . </P>

Who plays diana in the movie lights out