Kayden Muller-Janssen (born May 19, 2002) is an American actress. She is best known for her role in the short film Spies: Room of Secrets and currently plays Hartley in the Disney Channel series The Villains of Valley View.
She started off her career by moving to L.A. part time. That's when she started taking acting and singing lessons. When she was thirteen, she was auditioning for shows, such as Andi Mack,Henry Danger,I Am Frankie, and more. She did get call backs, but never casted. Then in 2021, she got her acting dream, by landing a main role in the Disney Channel Original Series The Villains of Valley View.