Aliens in the Attic is a 2009 American family science fiction comedy film produced by 20th Century Fox and Regency Enterprises and starring Carter Jenkins, Austin Butler, Ashley Tisdale, Ashley Boettcher, Henri Young, Regan Young, Josh Peck, J. K. Simmons, Kari Wahlgren, and Thomas Haden Church . The plot revolves around the children in the Pearson family having to defend their vacation house against a group of aliens planning an invasion of Earth until one of the aliens betrayed them and join the Pearson children in battle. The film was previously titled They Came from Upstairs, which is instead used as the film's tag line. A video game of the same name was released as well. Aliens in the Attic received mixed to negative reviews from film critics but was a minor box office success. Rotten Tomatoes gave it a rating of 31/100%.