Siobhán Cullen, born on January 31, 1990, in Dublin, Ireland, is an accomplished Irish actress known for her versatile roles in television, film, and theatre.

Growing up in Rathfarnham, a suburb of Dublin, she attended Loreto High School Beaufort and took classes at Ann Kavanagh's Young People's Theatre. She later graduated with a Bachelor of Arts in Drama and Theatre Studies from Trinity College Dublin.

She began her acting career as a child, making her debut in Marina Carr's play "By the Bog of Cats" at the Abbey Theatre in 1998. Her early exposure to the performing arts laid a strong foundation for her future endeavors.

Her career took off with her first major screen role in Eoin Macken's horror film "The Inside" in 2012. She gained further recognition with roles in the RTÉ1 and BBC One miniseries "Paula" in 2017, the ITV adaptation of "The Long Call" in 2021, and the BritBox series "The Dry" from 2022 to 2024.

Her portrayal of complex characters in these series showcased her acting prowess and earned her critical acclaim. In addition to her television work, she has made notable appearances in films such as "The Crooked Mile," "The Limehouse Golem," and "The Bright Side." Her performance in "The Cherry Orchard" in Galway earned her a nomination for an Irish Theatre Award.

Her personal life reflects her deep connection to the arts. Her parents, involved in amateur theatre, greatly influenced her passion for acting. This familial support has been a cornerstone of her career.

She is known for her ability to handle complex relationships with authenticity and tact, both on and off-screen. Her role as Dove in the Netflix series "Bodkin" is a testament to her skill in portraying nuanced characters. Dove, an openly lesbian character, explores issues of identity and belonging in a small Irish town, presenting her sexuality as an integral yet not defining aspect of her persona.

Throughout her career, Siobhán Cullen has received praise for her performances, although specific awards and nominations are not widely documented.