Question: Who was the actress that played in "Descendants"-(2015 American fantasy TV film) as well as played dual roles as both title characters on Disney Channel's "Liv & Maddie" ?
Sentence (from "Descendants (2015 film)"): The film stars Dove Cameron, Sofia Carson, Booboo Stewart, and Cameron Boyce as the teenage daughters and sons of Maleficent, the Evil Queen, Jafar, and Cruella De Vil, respectively.
Relevant evidence: Yes