Catherine Steadman

Catherine Steadman. Actress: The Rook. Catherine Steadman is an English actress and author, best known for playing Mabel Lane Fox in series 5 (2014) of ITV drama Downton Abbey. Her debut novel, the psychological thriller, Something in the Water was published in June 2018 by Simon & Schuster UK and Penguin Random House USA. Steadman trained at the Oxford School of Drama and made her screen debut playing Julia Bertram in...