Blue Lights World of Our Own (Season 3, Episode 6)
TV Episode | 58 min | Crime, Drama, Thriller

Blue Lights

World of Our Own (Season 3, Episode 6)

TV Episode | 58 min | Crime, Drama, Thriller

Grace and Sean are under serious threat, while Lindsay's testimony exposes the Ginleys. Colly takes a risk to go after Morgan, and Fogerty decides Tina is no longer useful.

Director

Angela Griffin (directed by)

Composer

Eoin O'Callaghan (composer)

Editor

Stephanie McCutcheon (edited by)

Casting Director

Georgia Simpson

Production Designer

Nicola Moroney

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Edit Released

Updated Sep 29, 2025

Release date

Dec 18, 2025 (United States)

Awards

Series awards

4 wins & 8 nominations

Contacts

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Cast	+ Add Cast
23 cast members

Name	Known for
Diona Doherty DI Louise Carrigan DI Louise Carrigan See fewer	The Butchering (2015)
Sian Brooke Grace Ellis Grace Ellis See fewer	Sherlock (2010)
Conor Mullen George McClelland George McClelland See fewer	Island at War (2004)
Brendan Quinn Sean Mulholland Sean Mulholland See fewer	Blue Lights (2023)
Martin McCann Stevie Neil Stevie Neil See fewer	The Survivalist (2015)
Michael Smiley Paul 'Colly' Collins Paul 'Colly' Collins See fewer	Kill List (2011)
Joanne Crawford Helen McNally Helen McNally See fewer	Small Things Like These (2024)
Matthew Forsythe Aodhan McAllister Aodhan McAllister See fewer	Blue Lights (2023)
Katherine Devlin Annie Conlon Annie Conlon See fewer	Vikings (2013)
Lorcan Cranitch Harry Bradley Harry Bradley See fewer	Cracker (1993)
Sophia Adli Dr. Kerbash Dr. Kerbash See fewer	The Troubles: A Dublin Story (2022)
Frank Blake Shane Bradley Shane Bradley See fewer	Normal People (2020)
Andi Osho Sandra Cliff Sandra Cliff See fewer	Blue Lights (2023)
Nathan Braniff Tommy Foster Tommy Foster See fewer	Blue Lights (2023)
Michael Shea Mo McIntyre Mo McIntyre See fewer	Drop (2025)
Abigail McGibbon Tina McIntyre Tina McIntyre See fewer	Blue Lights (2023)
Aoibheann McCann Geraldine Gilroy Geraldine Gilroy See fewer	Blue Lights (2023)
Cathy Tyson Dana Morgan Dana Morgan See fewer	Mona Lisa (1986)
Charlie Maher Fogerty Fogerty See fewer	Blue Lights (2023)
Seamus O'Hara Lee Thompson Lee Thompson See fewer	The Northman (2022)
Aoife Hughes Lindsay Singleton Lindsay Singleton See fewer	Silverpoint (2022)
Paula McFetridge Marian Marian See fewer	Five Minutes of Heaven (2009)
Frankie McCafferty Barney Barney See fewer	Philomena (2013)