After an education in South Wales, Morris graduated from Manchester Metropolitan University. Fluent in Welsh and English, Morris appeared in the S4C programme Caerdydd, and occasional parts on BBC1 soap Casualty. Morris then built her career in London in various parts for the Royal Shakespeare Company. Morris played "Angie" in E4's youth-oriented drama series Skins appearing in series 1, and briefly in its second series. She played "Llinos" in Con Passionate and "Liv Jones" in the BBC Wales drama Belonging. She also appears in videos for Torchwood series 2's online alternate reality game, where she appears in weekly updated webisodes as a paranormal radio host commenting upon the mysterious appearances of aliens around Cardiff. She also appeared in Mine All Mine and Superhero webseries The Splott Division. She plays the mother of Rhydian Morris in CBBC's supernatural television series, Wolfblood. As a singer, Morris has worked with the electropop band, Clinigol, appearing as a guest vocalist on three songs on their debut album Melys.