- 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 — S1E3
Episode: The Starship
Air Date: 2026-07-19
Overview
Sweeney strikes a deal with Castellano: rob a Colombian disco and Flanagan walks free; Bridget seeks counsel about Cahill, while Keenan investigates the killing of a cop in Boston.