The actress Jean Kent died last November.
Paramedics were called to Ms Kent's home in Church Road, Westhorpe, near Stowmarket, at around 11.30am on November 28 after a report that she had been found collapsed inside the property.
She was taken to West Suffolk Hospital in Bury St Edmunds, where she died two days later.
Suffolk Police said that, following an investigation, officers found no evidence that Ms Kent had been assaulted.
Ms Kent acted in 45 films and starred alongside Marilyn Monroe, Michael Redgrave and Laurence Olivier during her career.