John O'Byrne was born on May 3, 1931 in Killiney, Dún Laoghaire-Rathdown, Ireland. He was an actor, known for
The Agatha Christie Hour (1982),
The Upchat Line (1977) and
Quincy's Quest (1979). He died on February 11, 2017 in Lambeth, London, England, UK.