Full Cast — Dublin Murders (2019)

Sarah Greene

Detective Cassandra 'Cassie' Maddox

Killian Scott

Detective Sgt. Robert 'Rob' Reilly

Peter McDonald

Jonathan Devlin

Leah McNamara

Rosalind Devlin

Conleth Hill

Superintendent O'Kelly

Tom Vaughan-Lawlor

Detective Frank Mackey

Kathy Monahan

Margaret Devlin

Amy Macken

Katharine 'Katy' Devlin / Jessica Devlin

Eugene O'Hare

Detective Quigley

Moe Dunford

Detective Sam O'Neill

Barry O'Connor

Cathal Mills

Sam Keeley

Daniel March

Ian Kenny

Garda Phelan

Vanessa Emme

Abby Stone

Maria Miles

Mrs. Donnelly

Baz Black

Tattoo Artist (uncredited)

Derek Carroll

Cameraman (1.1) (uncredited)