Morfydd Clark (Welsh pronunciation: [ˈmɔrvɪð]; born 17 March 1989) is a Welsh actress. She is known for her film roles as Maud in Saint Maud and Dora Spenlow in The Personal History of David Copperfield, and in television as Mina Harker in Dracula, Sister Clara in His Dark Materials, and Galadriel in The Lord of the Rings: The Rings of Power.
Clark was born in Sweden and moved with her family to Penarth, Wales when she was two years old. She described her father as a "Northern Irish Glaswegian", and her maternal side is from North Wales. She is fluent in English and Welsh, having been enrolled with her sister at a Welsh-language school when she was seven. Her first taste of acting was playing Mrs Dai Bread in a school production of Under Milk Wood. After struggling with dyslexia and ADHD, she left school at 16. In 2009, she was accepted to British Youth Music Theatre's production of According to Brian Haw and to the National Youth Theatre of Wales, before training at the Drama Centre London.
Clark left Drama Centre in her final term to star in Saunders Lewis' play Blodeuwedd with Theatr Genedlaethol Cymru. She has appeared in Violence and Son at the Royal Court, as Juliet in Romeo and Juliet at the Crucible Theatre, Sheffield, and in Les Liaisons Dangereuses at the Donmar Warehouse. She played Frederica Vernon in Whit Stillman's film Love & Friendship. In 2016, Clark was named as one of the Screen International Stars of Tomorrow for her early work in television and theatre. She appeared in the film The Call Up and as Cordelia in King Lear at The Old Vic. In 2017, she starred in Interlude In Prague, and portrayed Catherine Dickens in The Man Who Invented Christmas.