King was born in Edinburgh, Scotland, and although she grew up dreaming of being a director, she got her break into acting when she was eighteen making her professional debut as Rosamond Oliver in Jane Eyre. She is best known as Goldie from the American sitcom The New Normal. Formerly, she was well known for her acclaimed performances in 2008's Wild Child, the 2009 slasher film Tormented and Tanner Hall.