Niall Ó Sioradáin is known for Vikings (2013), Fair City (1989) and Kin (2021).
At Death's Door
(Bouncer)
Kin
(James Quinn)
Vikings
(Preist Uppsala)
(Pagan Priest (as Niall O'Siordain))
(Chief Priest (as Niall O'Siordain))
(Chief Priest (as Naill O'Siordain))
The Clinic
(Ross Wilkinson)
Rebel Heart
(IRA Man)
