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Fiona Shaw

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Fiona Mary Shaw

First seen
Last seen
Appeared in
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Biographical Information
Date of Birth
County Cork, Ireland
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Fiona Mary Shaw, born July 10, 1958 in County Cork, Ireland, is an Irish actress who plays the role of Marnie Stonebrook on the HBO original series True Blood. Making her debut on the episode "She's Not There" in the series' fourth season, Fiona plays the role of a powerful medium who served as a leader of a Wiccan coven at the Moon Goddess Emporium. A starring actress who plays a recurring role through the same season, Fiona meets an untimely demise in the Season 4 episode "Soul of Fire", and is seen one more time on the subsequent episode, "And When I Die", in the same season.


Fiona Mary Shaw is a leading Irish actress and theater director. Although to international audiences she is probably most familiar for her minor role as Petunia Dursley in the Harry Potter films, she is regarded as one of the finest classical actresses of her generation.



  • Harry Potter and the Deathly Hallows: Part 1 (2010)
  • Dorian Gray (2009)
  • Harry Potter and the Order of the Phoenix (2007)
  • Catch and Release (2006)
  • Super Mario Brothers (1993)


  • True Blood (2011)


Season four appearances
"She's Not There" "You Smell Like Dinner" "If You Love Me, Why Am I Dyin'?" "I'm Alive and on Fire"
"Me and the Devil" "I Wish I Was the Moon" "Cold Grey Light of Dawn" "Spellbound"
"Let's Get Out of Here" "Burning Down the House" "Soul of Fire" "And When I Die"

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