RTÉ Announces New Mr Moonlight True Crime Drama Starring Downton Abbey Star

Downton Abbey star Brendan Coyle will lead the upcoming RTÉ drama series The Murder of Mr. Moonlight, a five-part television production exploring the high-profile 2011 killing of Irish DJ Bobby Ryan, according to reports from RTÉ, The Irish Times, and Dublin Live.

The true crime series is scheduled for release in 2027, according to Dublin Live. Production aims to move beyond standard news coverage to examine the human story behind a case that dominated public attention across Ireland for more than a decade. Executive producers Kim Varvell and Tommy Bulfin stated that the project focuses on Bobby Ryan’s life and the intense media attention surrounding Patrick Quirke and Mary Lowry, as reported by Dublin Live.

Cast and Character Details

Brendan Coyle stars as Bobby Ryan, the local DJ who vanished in June 2011 before his remains were discovered in April 2013 on a farm in County Tipperary, according to Dublin Live. Sinéad Keenan, known for her work in Unforgotten and Little Boy Blue, portrays Mary Lowry, Ryan’s partner at the time of his disappearance. Owen McDonnell, recognized from Killing Eve and Bad Sisters, takes on the role of Patrick Quirke. Quirke was convicted of Ryan’s murder in 2019 following a lengthy investigation and trial, receiving a mandatory life sentence.

The ensemble cast features several other prominent Irish television and film actors. According to Dublin Live, the lineup includes Ian Lloyd Anderson of The Long Shadow, Danny Power of The Young Offenders, Helena Browne, Muiris Crowley of Foundation, Aidan O’Hare of Bad Sisters, Emmet Byrne of Alex Rider, and Pom Boyd of Frank of Ireland.

Production Background and Source Material

The drama is adapted from a book written by Irish Independent special correspondent Catherine Fegan, according to coverage from the Irish Independent and The Irish Times. According to official production synopses cited by Dublin Live, the series investigates the close-knit rural setting and the interpersonal tensions that contributed to the tragedy.

Set within a close-knit rural community, The Murder of Mr. Moonlight explores the relationships, secrets and tensions that lay behind a case which captivated Ireland for more than a decade.

Dublin Live

The narrative uses the perspectives of individuals closest to the events to evaluate the impact of the loss and the subsequent pursuit of legal accountability.