Seamus O'Brien is widely recognized for contributions to Acting and continues to attract attention from entertainment audiences worldwide.
Seamus O'Brien seemed destined to be in the horror movie business, since in early childhood he expressed a bizarre infatuation with the unknown and the occult. After a short stint of doing movies (his last being "Bloodsucking Freaks"), O'Brien was stabbed to death when trying to hold a burglar at his apartment on May 14th, 1977. He was 44 years old. - IMdb