<P> Adelaide Kane (born 9 August 1990) is an Australian actress . She gained recognition for her roles as Lolly Allen in the Australian soap opera Neighbours, Cora Hale in the third season of MTV's Teen Wolf, and Mary, Queen of Scots in the CW period drama series Reign . In July 2017, she joined the ABC series Once Upon a Time in a recurring role as Cinderella's evil stepsister, Drizella, who is one of the antagonists in the season . Adelaide's final episode in Once Upon a Time was "Sisterhood". </P> <P> Kane was born on 9 August 1990 in Claremont, a suburb of Perth . Her father is Scottish (from Glasgow) and her mother has Scottish, Irish, and French ancestry . She grew up in Perth, and attended St Hilda's Anglican School for Girls . She has a brother named William, who is three years younger . Her parents divorced when she was seven, and Adelaide and her brother were raised by their single mother . When she joined the cast of Neighbours, her mother and she moved to Melbourne, Victoria, while her brother and stepfather remained in Perth . She also lived for a short period in New Zealand, while shooting children's television series Power Rangers RPM . </P> <P> Kane began performing at the age of three, starting with dance and then moving to singing and acting . At the age of six, she started working professionally in some print ads, later moving to TV spots and works in various children's TV shows . Kane was picked to join the cast of Neighbours as Lolly Allen after she entered a competition run by Dolly magazine in 2006 . She was given a three - month contract with the show . Her friends convinced her to enter the competition, but she did not think she was actually going to get the role . In December 2006, Kane announced that she would be leaving the show after her contract was not renewed . At the time of the announcement, Kane had not yet appeared as Lolly . </P> <P> From March to December 2009, Kane portrayed Tenaya 7 on Power Rangers RPM, part of the long - running Power Rangers franchise . In April 2010, Kane starred in the television film Secrets of the Mountain on NBC . In 2010, she also starred in the Hulu series Pretty Tough, composed of 20 episodes and based on the novel by the same name written by Li Tigelaar . In 2010, Kane travelled to attend an audition for Cartoon Network's first live - action series Unnatural History, for the role of Maggie Winnock . Italia Ricci and she were the actresses selected for the casting; the role later went to Italia . </P>

Who plays mary queen of scots mother in reign