ActingCillian O'SullivanBorn 1989-09-28· New York, USAKnown forVikings2013ACTIONChicago P.D.2014CRIMEThe Blacklist2013DRAMAFBI: Most Wanted2020CRIMEFull filmographyVikings2013ACTIONChicago P.D.2014CRIMEThe Blacklist2013DRAMAFBI: Most Wanted2020CRIMEStar Trek: Strange New Worlds2022SCI-FIBull2016CRIMEDaredevil: Born Again2025DRAMAIn From the Cold2022DRAMA