
Acting
Diana Hardcastle
Acting · Born 1949-07-12 · London, England, UK
Diana Hardcastle (born July 12, 1949) is a British actress who has appeared largely in television roles. She is married to actor Tom Wilkinson, with whom she has two children. She appeared in episodes of Midsomer Murders, Inspector Lynley and Taggart. She played recurring roles in the series First Among Equals and Fortunes of War. In 2011, she and her husband, Tom Wilkinson portrayed real life husband and wife Joe and Rose Kennedy in the mini series The Kennedys, and, in 2012, she had a supporting role in the film The Best Exotic Marigold Hotel in which her husband starred.
Credits · 26
FilmAn Alpine Holiday
2025 · Rebecca

Shakespeare & Hathaway - Private Investigators
2018 · Lady Athena Forbes-Allen

The Kennedys: After Camelot
2017 · Rose Kennedy
FilmThe Boy
2016 · Mrs. Heelshire
FilmJenny's Wedding
2015 · Ellen
FilmThe Second Best Exotic Marigold Hotel
2015 · Carol Parr
FilmGood People
2014 · Marie Halden

Utopia
2013 · CIA Woman

Father Brown
2013 · Nora Thorp
FilmThe Best Exotic Marigold Hotel
2012 · Carol Parr

The Kennedys
2011 · Rose Kennedy
FilmChromophobia
2006 · Mrs. Wharton
FilmSweetnightgoodheart
2005 · Anthea
FilmA Good Woman
2004 · Lady Plymdale
FilmIf Only
2004 · Claire

Rosemary & Thyme
2003 · Crystal Pitt-Seymour

Midsomer Murders
1997 · Barbara Lessiter

The Tide of Life
1996 · Rona Birch

Bugs
1995
That's Love
That's Love
1988

Fortunes of War
1987 · Edwina Little

First Among Equals
1986 · Louise Fraser
FilmFrankie and Johnnie
1986 · Judith Walters

Screen Two
1985 · Judith Walters
FilmThe House
1984 · Mrs. Janek

Reilly: Ace of Spies
1983 · Anna