sentences:  His parents were the proprietors of a women's clothing chain in Wales.Mike's Belgian maternal grandfather was the oil industrialist Edmond Jules Dupont from Liège.Mike Gwilym's interest in acting began while at Wycliffe Preparatory School, but he began his acting career while at university at Oxford with the Oxford University Dramatic Society, and went on to join the Glasgow Citizens' Theatre before becoming an associate actor of the Royal Shakespeare Company
  
  His stage debut was as 'Prince Hal' in "Henry IV, Part 1" at the Playhouse Theatre, Sheffield, UK in 1969.