Gemma Whelan - From Game of Thrones to Murder Mystery!
She's best known for sailing the high seas of Westeros, as Game of Thrones' fearless Yara Greyjoy.
But now, Gemma Whelan is swapping fantasy for crime-fighting - as she plays Detective Sergeant Sarah Collins in ITV's new drama, The Tower.
She’ll be telling us all about the thrilling three-part series, as she joins us in the studio.