Cillian O'Sullivan, a talented Irish actor, was born in the vibrant city of New York to parents Tom and Deirdre O'Sullivan, and spent his formative years in the picturesque County Cork, Ireland. His journey in the world of theater began at the tender age of seven, as he took to the stage in various productions around Manhattan, laying the foundation for his future success.
As his career flourished in Ireland and Europe, Cillian's exceptional talent and versatility caught the attention of audiences and critics alike. Following his initial success, he made the bold decision to return to America in 2018, and since then, he has been dividing his time between the bustling cities of New York and Los Angeles.
Cillian's remarkable ability to fully immerse himself in his characters has earned him a reputation as one of the most sought-after performers in the industry, with a natural talent that is undeniable. When he's not gracing the silver screen or stages, he is an ardent animal lover, co-parenting his beloved dog "Cú" who resides with his mother in their family home in Cork, Ireland.
