Hannah Gross is a Canadian actress. In 2002, she debuted with an uncredited role in the film Men with Brooms. After years of not working as an actress, she had her first credited role in the 2013 movie I Used to Be Darker. Subsequently, she had roles in the films Christmas, Again, Valedictorian, Unless, and Marjorie Prime. Afterward, she made her television debut as Debbie Mitford in the miniseries Mindhunter. She later played the role of Marin in The Sinner’s second season. This year, she starred in the film The Education of Fredrick Fitzell. She’ll star in the upcoming feature The Education of Fredrick Fitzell.