Jack Huston stars as Richard Harrow in the second, third and fourth seasons. He initially guest starred in the first season.
Credits[]
Guest star
| Season 1 credits | |||
| 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 |
Star
| Season 3 credits | |||
| "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" |
| Season four credits | |||
| "New York Sour" | "Resignation" | "Acres of Diamonds" | "All In" |
| "Erlkonig" | "The North Star" | "William Wilson" | "The Old Ship of Zion" |
| "Marriage and Hunting" | "White Horse Pike" | "Havre De Grace" | "Farewell Daddy Blues" |
* - Credit only, did not appear.