Gillian Hanna (20 June 1944 – 18 August 2019)^[1] was an Irish stage, film, TV and voice actress. She founded the feminist Monstrous Regiment Theatre Company about which she wrote a book that was published in 1991.

Hanna graduated with a First Class degree in Modern Languages from Trinity College, Dublin. She went on to work as an actor as well as a translator.^[2][3]

In 1975, Hanna founded the feminist Monstrous Regiment Theatre Company. Hanna worked with the company for fifteen years.^[4][5] In 1981, she starred in Honor Moore's Mourning Pictures at the Tricycle Theatre, a Monstrous Regiment Theatre Company production, with original music by Tony Haynes. The play was broadcast on BBC Radio 4 in May 1982.^[6][7]

She later published a book about the company, Monstrous Regiment: A Collective Celebration.^{[8][9][10][11]} An essay of hers, "An Age Of Innocence", was published in the collection Trinity Tales: Trinity College In The Sixties.^[12] She has extensive credits on stage as well as on TV and film.^[13]

Hanna also had a bit part playing the very fragile and somewhat 'delicate' typist teacher Mrs Gossage in the sixth series of Grange Hill (1983) and played the sister of the evil Trevor Jordache in Brookside during the infamous 'body under the patio' storyline in the 1990s.^[1]

• Monstrous Regiment: A Collective Celebration, London: Nick Hern Books, (1991)
• Feminism and Theatre: Gillian Hanna, Department of Theatre, Dartington College of Arts, 1978