Her acting career spans eight decades and includes a wide variety of roles on stage, television and film - several alongside her daughters, actresses Emma and Sophie Thompson.
Law's manager Jacky Leggo said in a statement that she "died peacefully at home surrounded by her entire family."
From the late 1980s, Phyllida Law had several major film roles and appeared with her daughter Emma in "Peter's Friends" and "Much Ado About Nothing", both directed by Thompson's then-husband Kenneth Branagh.
They also played mother and daughter in “The Winter Guest,” Alan Rickman’s acclaimed feature film debut. In the 1996 Jane Austen film adaptation “Emma,” she played opposite her other daughter, Sophie.
What do you think?