Katrin Cartlidge embarked on her illustrious career by initially working behind the scenes at London's prestigious Royal Court Theatre, where she honed her skills in various capacities, including backstage and front of house duties, while also being a part of the theatre's esteemed Young People's Theatre group. As she gained valuable experience, she transitioned to participating in play readings and workshops, laying the groundwork for her future success. Notably, she landed a regular role in the popular British television soap opera Brookside in 1982, marking a significant milestone in her journey.
Throughout her remarkable career, Katrin Cartlidge went on to establish herself as a highly acclaimed actress in both theatre and film, earning numerous accolades along the way.