- J.K. Simmons (Eamon Sweeney)
- Titus Welliver (Glenn Keenan)
- Tom Brittney (James 'Jimmy' Roarke)
- Stanley Morgan (Mickey Flanagan)
- Sarah Bolger (Bridget Walsh)
- Jessica Frances Dukes (Agent Birdie Polk)
- Hamish Allan-Headley (John Gotti)
- Vincent Walsh (Eddie Breen)
- Allen Leech (Brendan Cahill)
- Hilary McCormack (Erin Malone)
The Westies — S1E8
Episode: The Irish Goodbye
Air Date: 2026-08-23
Overview
Roarke and Sweeney's fallout splits the Westies, pitting old guard against young; Bridget pushes ahead with the mission but faces shattering truths; Polk increases pressure on Sweeney and Gotti, while Keenan wrestles with guilt.