""Once Upon A Time" has found its Ariel. Former "Reba" star JoAnna Garcia has been cast in the role. "So thrilled to welcome @JoAnnaLGarcia to the #OnceUponATime family as our Ariel! Can't wait to bring you under the sea," executive producer Adam Horowitz Tweeted on Friday afternoon. WATCH IT NOW: Ginnifer Goodwin Talks Gearing Up For Season 3 Of 'Once Upon A Time' JoAnna Tweeted that her husband, Cleveland Indians player Nick Swisher, was very happy with her upcoming costume. "Adam, nick owes u...he can't stop talking abt my 'tail,'" she wrote. WATCH IT NOW: Robert Carlyle On 'Once Upon A Time' Season 3: What Does The Future Hold For Belle & Rumple? "We owe YOU," Adam Tweeted back. "Thanks for doing this! So excited!(But nick is always welcome on my fantasy team)." "Once Upon A Time" returns to ABC for its third season on September 29 at 8/7c. -- Jolie Lash Copyright 2013 by NBC Universal, Inc. All rights reserved. This material may not be published, broadcast, rewritten or redistributed."