[1] She made her debut in veteran director K. A. W. Perera's 1975 film, Wasana but it was Neil Rupasinghe's Lassana Kella which was released first.

Since then, She is often referred to as "the prettiest girl (  සිංහල සිනමාවේ ලස්සන කෙල්ල)" on Sri Lankan silver screen and she has appeared in over 80 movies, winning the Sarasaviya Best Actress Award four times, in 1991, 1996, 2000 and 2004.

She was born on 5 July 1945 in Hamburugala village, Bentara, Sri Lanka as the eldest of the family.

As a journalist, he made several columns, Buddhist articles and worked as a deputy editor of the 'Bauddhaya' newspaper for some time.

Meanwhile, the neighbors demanded her parents submit Geetha to the 'Avurudu Rupa Sundari' competition organized by the 'Savasa' newspaper in Bentota.

[4] Little Geetha, who used to spend her school vacations in her aunt's house in Kollupitiya would imitate Punya Heendeniya, her childhood heroine.

Kumarasinghe, who is often cast in controversial roles, has also performed the foreign films Pakistani, Hindi, Japanese, Tamil and French productions.

During the filming of Podi Malli in Bambarakele, Nuwara Eliya in 1976, her car met with a major accident and then she had plastic surgery on the face.

[3] She received critical acclaim in roles such as 'Dulcie' in Pembara Madhu, 'Dotty' in Palama Yata, 'Punna' in Lokuduwa and 'Amali' in Ran Diya Dahara.

In the novel 'Palama Yata' written by Kulasena Fonseka, it was made into the film adaptation where Geetha was the lead actress as well as is producer.

Geetha was an ardent supporter of Mahinda Rajapakse at 2010 presidential elections and was appointed as the chief organizer to Elpitiya electorate.