Hayley Kiyoko is an American actress and singer-songwriter. She started her acting career in the mid 2000s. She then became known for starring as Velma Dinkley on the TV movie Scooby-Doo! The Mystery Begins and its sequel Scooby-Doo! Curse of the Lake Monster. She next starred on the TV films Lemonade Mouth and Blue Lagoon: The Awakening. Her first recurring role was as Gabi on The Fosters. She next made her cinematic debut in Hello, My Name Is Frank. She has since appeared in the films Insidious: Chapter 3, Jem and the Holograms, and XOXO. In addition, she starred as Raven Ramirez on the short-lived series CSI: Cyber.