Woll joins Ellen Burstyn, Marcia Gay Harden, Lucy Liu, Toby Regbo and Stephen Lang; she'll play the sister of the lead (Regbo, young "Dumbledore" in the upcoming Harry Potter films), who is dating a married professor and writing her memoirs, hoping to cash in on the youthful memoirs craze.

The actress, who wrapped the third season of the hit vampire show earlier this summer, has become a hot commodity since her breakout role; she'll soon be seen in Mother's Day (read our review HERE) and the crime thrillers Little Murder and Catch .44... Hopefully, she's already dealt with the useful pain and is just enjoying the pleasure now...

Source: The Hollywood Reporter