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).
The underwater world of Mertropia to follow the adventures of fearless Riley Harding and her inseparable friends Sophia and tayna. These warrior mermaids embark on an epic journey to the surface world to battle the wicked pirate Billy, who is draining the ocean's magic.
