Mark Robert Speight, known professionally as Mark Stanley, is an English actor. He is best known for his roles in Game of Thrones, Dickensian, and as Rob Hepworth in the third series of BBC drama Happy Valley.
Mark Robert Speight was born in Leeds. He attended Allerton High School and Prince Henry's Grammar School, Otley, where he began acting. He graduated from the Guildhall School of Music and Drama in 2010.