Sarah Lynn Gadon (born April 4, 1987) is a Canadian actress. She began her acting career guest-starring in a number of television series, such as Are You Afraid of the Dark? (1999), Mutant X (2002), and Dark Oracle (2004). She also worked as a voice actress on various television productions. Gadon gained recognition for her roles in David Cronenberg's films A Dangerous Method (2011), Cosmopolis (2012), and Maps to the Stars (2014). She also starred in Denis Villeneuve's thriller Enemy (2013), the period drama Belle (2013), and the action horror film Dracula Untold (2014).