Blue Lights Season 4 Trailer Revealed by BritBox

Today, BritBox debuted the official trailer for Blue Lights Season 4, premiering on November 12, with weekly episodes airing until the finale on December 17.

Three years into their jobs as response officers, Constables Grace Ellis, Tommy Foster, and Annie Conlon are operating at their limit, facing a new threat on the streets that the police can barely control. Meanwhile, the murder trial of Gerry Cliff exposes a dangerous and long-buried secret that leads to chaos both inside the police and across the criminal underworld.

Blue Lights Season 4 Trailer Revealed by BritBox

As they grapple with big decisions about their future, Grace, Tommy and Annie must find the courage to face the greatest threat they have ever encountered: the truth.

Blue Lights Season 4 stars Siân Brooke (Sherlock, Trying) as Grace, Martin McCann (Trespasses, Hostage) as Stevie, Katherine Devlin (The Day of the Jackal, Vikings) as Annie, Nathan Braniff as Tommy, Joanne Crawford (Outlander: Blood of My Blood) as Helen McNally, Andi Osho (The Sandman, I May Destroy You) as Sandra, Frank Blake (Say Nothing, Normal People) as Shane, Abigail McGibbon (Ballywalter) as Tina, Dearbháile McKinney as Aisling, and Andrea Irvine (Call The Midwife) as Nicola.

Katherine Devlin (Annie Conlon)

The cast also sees the return of Cathy Tyson (Dune: Prophecy, Black Ops), who plays private members’ club owner Dana Morgan, and Michael Smiley (Bad Sisters, Censor) as C3 intelligence officer Paul ‘Colly’ Collins.

Richard Dormer (The Day of the Jackal, Game of Thrones, Fortitude), who played Gerry Cliff in season one, returns alongside Hannah McClean (Malpractice) as solicitor Jen Robinson and Jonathan Harden (The Rainmaker, Time) as disgraced former Inspector Jonty, in an episode that will answer important questions from the past.

Martin McCann (Stevie Neil) and Siân Brooke (Grace Ellis)

Blue Lights Season 4 is written and executive produced by Declan Lawn and Adam Patterson, co-created and produced by Stephen Wright, Two Cities Television, and co-created and co-produced by Louise Gallagher, Gallagher Films, with support from Northern Ireland Screen.

The producer for season four is Brendan Mullin (In Flight, Wreck). Episodes 1-3 are directed by Angela Griffin (Blue Lights, Waterloo Road) and episodes 4-6 are directed by Sam O’Mahoney (The Wise Guy).

Nathan Braniff (Tommy Foster)

The series was commissioned by Lindsay Salt, Director of BBC Drama. The executive producers are Stephen Wright, Louise Gallagher, Declan Lawn, Adam Patterson and the executive producer for the BBC is Nick Lambon. The first three seasons are available to stream on BritBox.

BBC Studios is handling global sales for season four, as well as all previous seasons. Blue Lights has been sold in over 160 territories. Two Cities Television is part of the STV Studios family of production labels.

Blue Lights Season 4 key art