
Katharine Blake (born Illonne Katharine Inglestone, September 11, 1921 – March 1, 1991) was a British actress, born in South Africa, with an extensive career in television and films. She won the BAFTA for Best Actress for her work in television in 1964. She portrayed Elizabeth Boleyn in the film Anne of the Thousand Days (1969).
In 1969/1970, she played the character Chris Nourse in first an episode of Public Eye and then in Armchair Theatre's Wednesday's Child; one of the first lesbian love affairs to be seen on UK television. She replaced Googie Withers as the Prison Governor in the ITV series Within These Walls in 1977, but only appeared in one season, leaving the role due to ill health.
Her first husband was actor Anthony Jacobs (1942-1948,1 child), her second husband was actor/director David Greene (1948-1959,1 child), and her third husband was director Charles Jarrott (1959-1982). She was estranged from her 2 daughters at the time of her death.

Anne of the Thousand Days
1969 · as Elizabeth Boleyn

Hell's Angel
1971 · as Cynthia McKenna

Saturday Island
1952 · as Nurse

Trottie True
1949 · as Ruby Rubarto

Male of the Species
1969 · as Miss Saville

Assassin for Hire
1951 · as Maria Riccardi

Hunted
1952 · as Waitress

The Man Out There
1961 · as Marie

Now That April's Here
1958 · as Hilda Adams

Wuthering Heights
1948 · as Catherine Earnshaw

To Have and to Hold
1963 · as Claudia

Blunt Instrument
1981 · as Dorothy Logan

The Dark Light
1951 · as Linda

Beyond Our Means
1973 · as Sylvia Forsyth

Wednesday's Child
1970

Hammer the Toff
1952 · as Janet Lord

What's Wrong with Humpty Dumpty?
1967 · as Hilary