The police in California have reopened an inquiry into the death of film star Natalie Wood, who drowned in 1981.
The police say they have received new information relating to the case, but have not given details.
Wood was found dead during a boat trip off the coast of California with actor Christopher Walken and her husband, the TV star Robert Wagner.
At the time her death was ruled to have been an accident, but questions have lingered.
"Recently sheriff's homicide investigators were contacted by persons who stated they had additional information about the Natalie Wood Wagner drowning," the Los Angeles County Sheriff's Department said.
"Due to the additional information, Sheriff's Homicide Bureau has decided to take another look at the case."
A press conference will be held on Friday, local time.
Wood, 43, had been partying with Walken and Wagner the night before her death, and the coroner ruled she had been drinking and may have slipped trying to board the dinghy.
The actress was best known for her roles in West Side Story and Rebel without a Cause. She was nominated for an Oscar three times and won numerous other awards.