Jessica was married to fellow actor Hume Cronyn from 1942 until her death in 1994, and they both appeared in the movie Cocoon.
Jessica was one of the many actors interviewed in the documentary A Century of Cinema in 1994, which celebrated the 100th anniversary of motion pictures.
Jessica's West End debut was in 1929 in the play The Rumour.
In December 1986, Jessica received the Kennedy Center Lifetime Achievement Award.
Jessica received the United States National Medal of Arts in 1990, from George Bush Sr.
Helen's last film was Camilla. While shooting it she was suffering badly with the ovarian cancer that would eventually kill her so she asked the screenwriter to script a nude scene for her into the screenplay so she could be "cheeky".
Jessica won the Sarah Siddons award in 1979 for her work in Chicago theatre.
Jessica became a naturalized U.S citizen in 1954, because she was born in England.
Jessica married Jack Hawkins in 1932, but they divorced in 1942.
In 1990, Jessica was chosen by People magazine to be on their annual list of the "50 Most Beautiful People in the World".
Jessica is the mother of actress Tanya Cronyn who has appeared in two episodes of Law & Order.
Jessica (on her husband): When he's late for dinner, I know he's either having an affair or is lying dead in the street and I always hope it's the street.