Louise Durant Petherbridge, QSO (née Harris; 11 May 1931 – 18 January 2024) was a New Zealand actress, director, deviser, producer and lecturer.

[2] She was educated at St Hilda's Collegiate School and the University of Otago, graduating in 1953 with a Bachelor of Arts degree in English.

[3] In 1953, Harris won a New Zealand Government Drama Bursary, which allowed her to study for two years at the Northern Theatre School in Bradford, under Esmé Church.

She played the lead, Clarissa Hailsham-Brown, in Agatha Christie's The Spider's Web,[9] and Gwendolen Fairfax in Oscar Wilde's The Importance of Being Earnest.

[12] The Petherbridges returned to England, where Louise later gave birth to their son David, and continued her career, including a brief period working for Noël Coward.