Katherine is an NYC-based actor. She grew up in Ireland, trained in London, and speaks fluent French. She also has an identical twin.


Katherine Laheen is an Irish actor based in New York. She was born in Dublin, raised in County Wicklow, and spent her teenage years in Provence, France — where she became fluent in French. She trained at the University of North Carolina School of the Arts and is a graduate of the Guildhall School of Music & Drama in London.

She will next appear in the independent feature Mother Future Self, directed by Tori Lancaster, and was recently seen in Maria Schrader’s She Said for Universal Pictures. Katherine was nominated for the 2024 Bingham Ray New Talent Award at the Galway Film Fleadh for her work in What We Find On the Road.

Television credits include WeCrashed (Apple TV+) opposite Anne Hathaway, HBO’s The Gilded Age, Peacock’s Girls5Eva, and Hulu’s RAMY.

She also has an identical twin, Owen Laheen, who is also an NYC based actor.

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