Gillian Amalia Zinser is an American actress, known for her appearances as Ivy Sullivan in 90210. She attended New York University in New York City, NY. Prior to 90210 she appeared in Southland, Cold Case and Cupid. She played a recurring role in 90210 during the second season from 2009 to 2010, as a young Californian surfer named Ivy Sullivan. In February 2010, she was signed as a regular cast