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Liam O'Brien
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Older brother of
Edmond O'Brien
.
Uncle of
Maria O'Brien
and
Brendan O'Brien
.
Brother-in-law of
Olga San Juan
.
Father of Devin Liam O'Brien.
Liam O'Brien was a screenwriter and producer of films and television programs. He also wrote the Broadway comedy "The Remarkable Mr. Pennypacker", which launched his Hollywood career.
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