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"Gil McKinney has been cast as Prince Eric on Once Upon a Time. Eric is the love interest of mermaid Ariel, who - it was announced at Comic Con - will debut in the fantasy drama&amp;#039;s third season.  Both Ariel - played by JoAnna Garcia - and Prince Eric will make their first appearance in the season&amp;#039;s sixth episode, titled &amp;#039;Ariel&amp;#039;, reports TVLine. McKinney is best known for roles on ER and Friday Night Lights, and also recently played Sam and Dean&amp;#039;s grandfather on Supernatural.  Once Upon a Time&amp;#039;s third season will see the show&amp;#039;s characters on a quest to Peter Pan&amp;#039;s home of Neverland. The series returns to ABC on September 29 at 8/7c, with season three also expected to air on Channel 5 in the UK. &amp;gt; Grey&amp;#039;s Anatomy, Revenge, Once to air split-seasons on ABC Watch a new promo for Once Upon a Time season three below:      "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/once-upon-a-time/news/a512449/once-upon-a-time-casts-gil-mckinney-as-ariels-love-prince-eric/>