Boardwalk Empire Wiki

John Keating co-stars as recurring character Ernie Moran. He was credited as Celt #4 when he appeared in Season 1 and the character was not named until he recurred in Season 2.

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
Season two appearances
21 Ourselves Alone A Dangerous Maid What Does the Bee Do?
Gimcrack & Bunkum The Age of Reason Peg of Old Two Boats and a Lifeguard
Battle of the Century Georgia Peaches Under God's Power She Flourishes To the Lost