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Duncan O'Connor

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Duncan O'Connor, played by co-star John Treacy Egan, is a supporting character in "Nights in Ballygran". He attends the Order of Ancient Celts annual St. Patrick's Day dinner and sings "Carickfergus". The dinner is later broken up by Prohibition Agents.


Season one appearances
Boardwalk Empire The Ivory Tower Broadway Limited Anastasia
Nights in Ballygran Family Limitation Home Hold Me in Paradise
Belle Femme The Emerald City Paris Green A Return to Normalcy

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