Melissa Crystal O’Neil is a Canadian singer and actress. In 2005, O’Neil won the third season of Canadian Idol, the first Canadian female to have won. As an actress, she is known for her roles as Two/Rebecca/Portia Lin on the Syfy science fiction series Dark Matter and as Officer Lucy Chen on the ABC police procedural drama series The Rookie.
O’Neil was born in Calgary, Alberta, Canada. Her mother is Chinese via Hong Kong, and her father is of Irish descent. O’Neil attended Terry Fox Junior High School. She attended Lester B. Pearson High School in Calgary where she performed in musicals and played rugby and was on the basketball team.
O’Neil has been acting since 2015. She has had recurring roles in the 2015 CBC TV drama called This Life that was set in Montreal, the Cole Hauser TV crime series Rogue, and the musical drama web series, Lost Generation, which was set in Berlin. The show was originally called Pulse and had a book and score written by Duncan Sheik.
In December 2014, O’Neil was cast in the starring role of Two/Rebecca/Portia Lin, on the Syfy TV series space opera Dark Matter. It was a role she played from 2015 to 2017, for three seasons of the show.