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Charlie Cox

Sleater's corpse.

Owen Sleater was an Irish immigrant, IRA operative and criminal enforcer. He worked for Nucky Thompson as a driver and bodyguard. He is played by British actor Charlie Cox.



Growing up the son of a poor Catholic/Nationalist clerk in the mostly Unionist/Protestant town of Coleraine, Ireland, Sleater found the pressure of small town life unsuited to his knack for adventure and organization.

Prior to the Irish War of Independence, Sleater worked as a cattle inspector in Coleraine ("Ourselves Alone"). At 17 he volunteered to fight the British, but was turned down twice by Sinn Fein politician John McGarrigle ("Battle of the Century"). Owen's nationalist instincts and talent for organization and skills that included marksmanship, explosives and political subversion propelled him to join the Irish Republican Army, then fighting a War of Independence (1919-1921) against the British in order to procure a United Irish Republic. Later he worked as an advance man for McGarrigle and was responsible for ensuring his safety on a fundraising trip around America in the winter of 1920-1921, that took them to New York, Boston and Chicago before recalling on Atlantic City ("Ourselves Alone").

Season 2[]

Main article: Owen Sleater Season 2

Season 3[]

Main article: Owen Sleater Season 3



Personal life



Memorable Quotes[]

  • Nucky Thompson: "What are your talents, Mr. Sleater?"
    • "Making people stop."
    • Nucky: "Stop what?"
    • "Whatever it is you don't want them to be doing."
  • "Leadin' me on a merry chase these five months. You traiterous fuck! (spits)" (Peg of Old)
  • "These fuckers need to learn respect." (Resolution)
  • "Bone for tuna" (Bone for Tuna)
  • "There is word from Mr. Rothstein: Four fatalities- none of them Gyp Rosetti." ("You'd be Surprised")
  • "It's just a business in the end... Ask the man buried in the coal mine. Or digging the canal; working the slaughterhouse. No one asks where what they want comes from they just want it. And believe what suits them." Margaret: And that's your peace with it. "There's no halfway. And there's- there's no excuse either- I'm in it now. And when I'm done I'll- I'll walk away." ("The Milkmaid's Lot")


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
Season three appearances
"Resolution" "Spaghetti and Coffee" "Bone for Tuna" "Blue Bell Boy"
"You'd Be Surprised" "Ging Gang Goolie" "Sunday Best" "The Pony"
"The Milkmaid's Lot" "A Man, A Plan..." "Two Imposters" "Margate Sands"