John McCullough is a real person portrayed by Kevin O'Rourke in the movie The Irishman (based on a true story).
When the movie was released in 2019, Kevin O'Rourke was 63 years old.
The character of John McCullough is mainly associated with District Attorney Emmett Fitzpatrick, Older Peggy Sheeran and Helen - Cecil B. Moore's Wife.
