Perdita Weeks (born 25 December 1985) is a Welsh actress.
Perdita was born in South Glamorgan, educated at Roedean School and studied art history at the Courtauld Institute. She is the younger sister of Honeysuckle Weeks and the older sister of Rollo Weeks. She portrayed Mary Boleyn (King Henry VIII's sister-in-law) in the Showtime drama The Tudors (2007). In 2008 she appeared as Lydia Bennet in the ITV series Lost In Austen. She played a murdering teen in the Death and Dreams episode of Midsomer Murders in 2003. She has worked on productions such as Stig of the Dump (2002), Sherlock Holmes and the Case of the Silk Stocking(2004), and Miss Potter (2006) (but was cut from the latter) and played the role of Kitten (daughter of a rock star) in an episode of Lewis—"Counter Culture Blues" (2009). In 2007 she appeared in the radio comedy Bleak Expectations. In 2011 she appeared in the TV miniseries The Promise. She is the sister of actors Honeysuckle Weeks, to whom she bears a strong resemblance, and Rollo Weeks; she co-starred with the former in Goggle Eyes (1993) and Catherine Cookson's The Rag Nymph (1997), in which she played the younger version of her sister's character. She stars also in the 2010 Horror film Prowl.

Fountain of Youth
Harold’s Lawyer
2025

Magnum P.I.
Juliet Higgins · (96 episodes)
2018

Ready Player One
Kira
2018

Rebellion
Vanessa Hammond · (5 episodes)
2016

The Great Fire
Elizabeth Pepys · (4 episodes)
2014

As Above, So Below
Scarlett
2014

Penny Dreadful
Catriona Hartdegen · (4 episodes)
2014

The Musketeers
Louise · (1 episode)
2014

The Invisible Woman
Maria Ternan
2013

Flight of the Storks
Sarah Gabbor · (2 episodes)
2013

Titanic
Lady Georgiana Grex · (4 episodes)
2012

Great Expectations
Clara · (2 episodes)
2011

The Promise
Eliza Meyer · (4 episodes)
2011

Hawaii Five-0
Juliett Higgins · (1 episode)
2010

Prowl
Fiona
2010

Rosamunde Pilcher's Four Seasons
Imogen Combe · (4 episodes)
2008

Lost in Austen
Lydia Bennet · (4 episodes)
2008

The Tudors
Mary Boleyn · (3 episodes)
2007

Lewis
(1 episode)
2007

Sherlock Holmes and the Case of the Silk Stocking
Roberta Massingham
2004

Stig of the Dump
Lou · (6 episodes)
2002

The Prince and the Pauper
Lady Jane Grey
2000

Spice World
Evie
1997

The Rag Nymph
Young Millie · (1 episode)
1997

Midsomer Murders
Hannah Moore · (1 episode)
1997

Hamlet
Second Player
1996

Loving
Moira
1996

Robert Rylands' Last Journey
Sue
1996

The Cold Light of Day
Anna Tatour
1996
Goggle Eyes
(4 episodes)
1993