<P> In May 2013 , it was revealed that season two regular Meghan Ory ( Red Riding Hood / Ruby ) would be departing the show to star in CBS 's upcoming sci - fi drama Intelligence . However , Ory stated that she would still be open for more episodes on the show as a guest member . Ory later made appearances in episodes twelve and thirteen of the season . The same month , it was announced that Michael Raymond - James ( Baelfire / Neal Cassidy ) had been promoted from a recurring cast member to a series regular for the season . In July 2013 , it was reported that Giancarlo Esposito ( The Genie / Magic Mirror / Sidney Glass ) would be returning to the series , following his absence from season two . In the same month , it was announced that the role of Robin Hood had been recast from Tom Ellis to Sean Maguire . Adam Horowitz stated , `` Although we love Tom Ellis , unfortunately he was n't available . We remain huge fans of his , but because we have an arc planned for the character , we had to move forward . '' British actor Robbie Kay played the role of the villain for the first half of the season : Peter Pan . On July 29 , it was reported that Rose McIver had been cast as Tinker Bell . Adam Horowitz and Edward Kitsis teased an unexpected introduction for the well - known character , saying , `` It 's taking the icon and putting our spin on it . How we introduce her , and who she is , is hopefully going to be surprising because we 're going to find she has a surprising connection to someone . '' For episode five , Bernard Curry played a guest role as Captain Hook 's brother Liam , while a member of the Lost Boys called Devin was portrayed by Skyler Gisondo . Joanna Garcia was cast as Ariel from The Little Mermaid . On September 3 , 2013 , Gil McKinney was cast in the recurring role of Prince Eric . On October 18 , 2013 , it was revealed that the American musician Marilyn Manson would voice the character of The Shadow . On October 21 , British actor Stephen Lord was announced to be playing Rumplestiltskin 's father , Malcolm . He featured in the eighth and eleventh episodes of the season . </P>
once upon a time season 3 where is ruby
departing the show to star in CBS 's upcoming sci - fi drama Intelligence