Complex sentence: He was a member of The Abbey Theatre school of acting and made his professional stage debut in a production of "Romeo and Juliet" at the Gate Theatre Dublin, directed and produced by Hilton Edwards and Micheál MacLiammóir.
Split into simpler sentences: He was a member of The Abbey Theatre school of acting. He made his professional stage debut in a production of "Romeo and Juliet" at the Gate Theatre Dublin, directed and produced by Hilton Edwards and Micheál MacLiammóir.