Olivia Hastings Holt (born August 5, 1997 ) is an American actress and singer.She starred in the Disney XD series Kickin' It, Disney Channel Original Movie Girl vs. Monster, and the Disney Channel Original Series I Didn't Do It.Her debut EP, Olivia, was released on Hollywood Records on July 15, 2016. In 2018, she began portraying Tandy Bowen / Dagger in the Freeform series Cloak & Dagger.