Kieran Mulroney (born September 24, 1965) is an American actor known for his numerous television appearances. He is also a musician and screenwriter. He was born on September 24, 1965 in Alexandria, Virginia, where he graduated from T. C. Williams High School. Kieran has four siblings. He has three older brothers, Conor, Sean, and fellow actor Dermot; and a younger sister, Moira. His brother is actor Dermot Mulroney. He is married to screenwriter and director Michele Mulroney.

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