what are her debut series/film?
Her  first major role was a recurring part as Curupira in the TV series "Beastmaster".
Emilie de Ravin
De Ravin's first major role was a recurring part as Curupira in the TV series "Beastmaster". 
how old is the girl who plays belle in once upon a time UNANSWERABLE who is emilie de ravin? She is an Australian-American actress.
wiki:14147273
Emilie de Ravin [SEP] Career
De Ravin's first major role was a recurring part as Curupira in the TV series "Beastmaster". She went on to appear as alien/human hybrid Tess Harding in the teen television series, "Roswell". She landed this role one month after moving to Los Angeles at the age of 18. In 2004, De Ravin was cast to portray Claire Littleton on the hit ABC drama "Lost." Speaking about the success of "Lost", she said: "It's sort of hard to say. You read something and have a good feeling about it, it sounds great, ties nicely together and then shooting something, editing it, the music, the actors involved, everything sort of plays a huge part.