Owen McDonnell is an Irish actor. During his early years in the 2000s, he debuted in the movie Conspiracy of Silence. He later became known for starring as Sergeant Jack Driscoll in the Irish series Single-Handed, which he starred in from 2007 to 2010. He also guest-starred in an episode of Spooks. In the 2010s, he starred as Jack in the comedy-drama series Mount Pleasant. This was followed by a couple of roles in TV movies. In 2014, he appeared in the feature film An Bronntanas. He gained wider recognition in the UK for his role as Tom Connolly in the TV series An Klondike. In 2018, he played Niko Polastri in the acclaimed series Killing Eve.