Sadie is one of the secondary antagonists of "The Last House on the Left" and its 2009 remake of the same name. She is portrayed by Jeramie Rain in the 1972 version and Riki Lindhome in the 2009 remake.

Sadie is the girlfriend of Krug Stillo and the only female member of their gang. Sadie is often tired of being the only girl and wants more females in their gang.

In the 1972 film, Sadie participates in the torturing and murders of Mari and Phyllis and seems to enjoy doing it, despite claiming to Phyllis that she could help her, although it is unknown if this was simply a ruse.

In the 2009 film, Sadie again participates with the rest of the gang plays a similar role, however, in this version she is shown to have remorse for her actions and sheds tears after what they have done. Though, she goes back to being a villain in the end when she fights Mari's family, resulting in her death, when she is shot in the eye.