Casey Simpson (born April 6, 2004) is an American actor, best known for his role as Ricky Harper on the Nickelodeon series Nicky, Ricky, Dicky and Dawn (2014-2018).
Plot. The underwater world of Mertropia to follow the adventures of the fearless Princess Bethany and her inseparable friends Jessica and Monica. These warrior mermaids embark on an epic journey to the surface world to fight the evil pirate captain, who is draining the ocean of its magic.
