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Oscar Boneau, played by co-star Louis Gossett Jr., is Chalky's old mentor. The character only appears in the fourth season episode "Havre De Grace".


Season 4[]

Relationships[]

  • Chalky White: Protégé and friend (deceased)
  • Nucky Thompson: Former Boss (Presumably) (deceased)
  • Louis Kaestner: Former Boss (Presumably) (deceased)
  • Winston: Nephew and employee
  • Weems: Employee, traitor
  • Levi: Employee
  • Ayleese: Cook
  • Emmett: Dog
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