Dominique Hannah Jackson (born 3 December 1991) is a British actress from Oldham, Greater Manchester, who has starred in various TV roles. She is best known for her roles as Becky in the Children's TV series Becky and Barnaby Bear and Lauren Valentine on Channel 4 soap, Hollyoaks. In 2003 she appeared as Joanna Sharpe in The Bill, and has since appeared as Roseanne Speedwell on The New Worst Witch... show more