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).
in the underwater world of Mertropia to follow the adventures of the fearless Princess Astrid and her inseparable friends Jane and Audrey. These warrior mermaids embark on an epic journey to the surface world to fight the evil pirate Jonathan, who is draining the castle of its magic.
