Marina Sirtis: Marina Sirtis. Actress: Star Trek: The Next Generation. Marina Sirtis was born in London, England, to Greek parents, Despina (Yianniri), a tailor's assistant, and John Sirtis. Her parents did not want her to become an actress. As soon as Marina completed high school, she secretly applied to the Guildhall School of Music and Drama. After her graduation, she worked in musical theater, repertory and television. In 1986, she moved to...