Cristine Prosperi played Mikayla in a TeenNick series that first aired in what year?
Open Heart (TV series): Open Heart is a 2015 American-Canadian mystery-drama television series produced by the Epitome Pictures unit of DHX Media in association with marblemedia. Open Heart (TV series):  It first aired on January 20, 2015, on TeenNick in the United States and previously on YTV; now currently on ABC Spark in Canada.
i don't know