03/01/2026
Caroline Catz is best known for her long-running role as Louisa Glasson in Doc Martin, appearing from the show’s debut in 2004 through its emotional finale in 2022. As Portwenn’s compassionate headmistress, she brought warmth, intelligence, and emotional depth to the quirky village, becoming the heart of the series. Her on-screen relationship with Martin Clunes’ Dr Martin Ellingham, marked by humour, tension, and tenderness, became central to the show’s enduring appeal. While Catz has enjoyed a varied and respected career, Louisa Glasson remains the role that secured her lasting place in British television.