Chloë Grace Moretz is a well-known name now, but she gave one of her most iconic performances at a young age in the Kick-Ass movies. In the series based on the comic series of the same name, Moretz plays Hit-Girl, a young assassin who is far more violent and vulgar than her age would suggest. Young characters are often played by older actors, but with Chloë Grace Moretz that isn't necessarily the case for Kick-Ass and Kick-Ass 2.

Chloë Grace Moretz started acting at a very young age, with the actress playing child roles in films like Heart of the Beholder, The Amityville Horror, and (500) Days of Summer. Moretz became fairly popular from her consistent child roles, but her breakthrough truly came when she was cast in 2010's Kick-Ass. Hit-Girl has become the actress' defining role, with Moretz saying she would return as Hit-Girl in Kick-Ass 3. Moretz is one of...