Gabrielle Creevy

Creevy made her acting debut in three episodes of the S4C drama series Gwaith/Cartref in 2011. The next year, she appeared in an episode of the BBC medical drama Casualty. During her time at ArtsEd, Creevy appeared in the ITV comedy series The Stand Up Sketch Show. In 2018, Creevy filmed the pilot of In My Skin across five days for BBC Three. After it was commissioned into a full series, she was nominated for the BAFTA Cymru award for Actress in 2019. She subsequently won the award. Creevy was on a coffee shop shift when she learned that she had been nominated and had to return to her shift after finding out.

In May 2019, Creevy performed on stage in a production titled Lose Yourself at the Sherman Theatre in Cardiff. Her performance was praised by critics. Later in 2019, Creevy starred in the Channel 5 drama series 15 Days as Katie, and featured in another episode of Casualty. In 2020, she appeared in an episode of the BBC detective series Father Brown, which she enjoyed since it was her first period role. She appeared in the British film Operation Mincemeat, and also appeared in The Pact.

In 2021, it was announced that Creevy had been cast in the Showtime series Three Women. In My Skin returned for a second series in November 2021, with Creevy reprising her role as Bethan Gwyndaf. In September 2025, she played a lead role as Ria Powell in the BBC four-part miniseries The Guest. After finishing filming for the Netflix series Black Doves in 2024, she joined the cast of the upcoming Sky series Amadeus, playing Constanze, the wife of Mozart.