His stage roles included Henry IV, Part 1, Penelope, At Swim-Two-Birds, The Spanish Tragedy, The Duchess of Malfi, The Shadow of a Gunman and This Lime Tree Bower.
He died suddenly at the age of 47, with a play he had directed underway in Dublin and an ongoing screen role as Robbie Quinn in Fair City.
[5] Among his stage theatre credits were Henry IV, Part 1, Beauty in a Broken Place, At Swim-Two-Birds and The Barbaric Comedies (those four for the Abbey), The Spanish Tragedy, The Duchess of Malfi, The Shadow of a Gunman, Conor McPherson's This Lime Tree Bower and Mark O'Rowe's Howie the Rookie, as well as the Druid Theatre Company production of Enda Walsh's Penelope.
[1][5] Among his screen credits were the films Batman Begins and Veronica Guerin, as well as the television series Peaky Blinders, The Tudors, Into the Badlands, Titanic: Blood and Steel, The Clinic and Doctors.
As Quinn he held many high-profile storylines alongside the actress Aisling O'Neill, who portrayed his on-screen lover Carol Foley.
[1] Shiels was survived by his partner Laura Honan, and his twin daughters, Iseabel and Saoirse, from his marriage to Dearbhla, which ended in divorce.