Kieran Mulroney was born on September 24, 1965, in Alexandria, Virginia.
A graduate of T.C. Williams High School, he grew up in a creatively inclined family of Irish and German descent.
Kieran is married to Michele Mulroney, a screenwriter and director, and together they have collaborated on several projects.
His brother, Dermot Mulroney, is a well-known actor, and the family’s artistic leanings have shaped Kieran’s diverse career in Hollywood.
Beyond acting, Kieran is a musician and a member of the “Cranky George Trio” alongside Dermot, showcasing his versatility.
Siblings
Kieran is one of five siblings, each with distinct careers and contributions.
Conor Mulroney, the eldest brother, has maintained a low-profile career, previously working as a school teacher and now focusing on quality control and compliance at Marroquin Organic International, a company supporting sustainable agriculture, based in Santa Cruz, California.
Sean Mulroney, another older brother, is an attorney and musician who co-owns The Double Door, a music club in Chicago’s Wicker Park, currently closed but potentially reopening, and performs with the bands Cooksie and Casolando, blending his legal career with his passion for music.
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Dermot Mulroney, the most publicly recognized sibling, born on October 31, 1963, is a renowned actor and musician known for roles in films like My Best Friend’s Wedding, Young Guns, and August: Osage County.
Additionally, he is an accomplished cellist who contributed to film scores and performed with the Low and Sweet Orchestra.
He also collaborated with Kieran on projects like The Memory Keeper’s Daughter (2008), which Kieran wrote, and is a member of the Cranky George Trio, having been nominated for a CableACE Award for Best Supporting Actor for Long Gone (1988).
Moira Mulroney, the youngest sibling and only sister, maintains a private profile, with little documented about her professional life.
Career
Mulroney’s career spans acting, screenwriting, directing, and music, making him a versatile talent in the entertainment industry.
His acting credits include numerous television appearances and film roles, with notable performances in shows like Seinfeld, The Implant, Star Trek: The Next Generation, The Outrageous Okona and Star Trek: Enterprise.
His film roles include Gettysburg (1993) as Maj. G. Moxley Sorrel, Career Opportunities (1991) alongside Dermot, The Spitfire Grill (1996), Heart Condition (1990), Nowhere to Run (1989), and God’s Lonely Man (1996), as well as a non-speaking role in a Hewlett Packard commercial.
As a screenwriter, Kieran has achieved significant success, often collaborating with his wife, Michele Mulroney, on projects like Sherlock Holmes (2009) and Sherlock Holmes: A Game of Shadows (2011).
Kieran’s directorial work includes Paper Man (2009), and he served as an executive producer on Wild Tigers I Have Known (2006).
