Boardwalk Empire Wiki

Dermott Thompson is a supporting character played by actor Domenic Ambroselli.



Dermott is the fifth son of Eli and June Thompson. He has seven siblings including Michael, Patrick, Anne and Brian. All of them live and are likely born in Atlantic City, New Jersey.

Season 2[]

Dermott attends the funeral of his grandfather Ethan Thompson in July 1921 ("Battle of the Century").

Dermott appears again in "To the Lost", playing with his brother Brian near the family home porch in the aftermath of Eli's mistrial in August 23, 1921. Brian and Dermott run pass their uncle Nucky Thompson as he comes for a visit, and he salutes them. ("To The Lost")

Season 3[]

He warmly welcomes his father Eli when he returns home after sixteen months in prison for election rigging. ("Spaghetti and Coffee")


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"