Sir Michael John Gambon CBE (born 19 October 1940) is an Irish-born British character actor who has worked in theatre, television, and film. He is also known as The Great Gambon as dubbed by actor Ralph Richardson. He was trained under Laurence Olivier and started his long work on stage in the National Theatre. He received a Tony Award nomination for Best Actor in a Play for his work in David Hare’s Skylight on Broadway. Gambon retired from stage acting in 2015 due to memory loss.