Killian studied at University College Dublin and London’s Drama Centre. He became widely known for his break-out role as Tommy in Love/Hate and has recently wrapped on Marvel’s Secret Invasion series, due to premiere on Disney+ in 2023, and on the upcoming Netflix series KAOS. This is his professional stage debut.
Television appearances include: Dublin Murders (BBC/Element Pictures); Strike (BBC/HBO); Damnation (Universal/Netflix); Ripper Street (Tiger Aspect); Call The Midwife (Neal St Productions); and Jack Taylor (RTÉ).
His film work includes: The Commuter (StudioCanal); Trespass Against Us (Potboiler Productions); Traders (Coco Television); Get Up and Go (Fastnet Films); Calvary (Bruno Films); 71 (Warp Films); and Good Vibrations (Canderblinks Ltd).