Lieutenant John Corina, of the Los Angeles County sheriff's department, said Mr Wagner was not a suspect and the case was still being treated as an accident.
Dennis Davern, captain of the Splendour, urged police to look at the case again, claiming not enough was done to locate the actress when she went missing and that Mr Wagner was "responsible" for her death.
Miss Wood, who starred as Maria in the multi-Oscar winning 1961 film "West Side Story," was holidaying on the 60ft yacht near Catalina Island off the California coast with Mr Wagner. At the time he was most famous for his role in the television series "Hart to Hart." Christopher Walken, her co-star in her final film "Brainstorm," was with them.
The actress's body was found floating in the water a mile away from the yacht on the morning of Nov 29, 1981. She was wearing a nightgown, socks, and a down jacket. A coroner concluded her death was an "accidental drowning" and that she had been drinking.
She had two dozen bruises on her body which were consistent with having slipped while trying to tie up a loose dinghy, or trying to board the dinghy to leave the boat. The 13ft dinghy was later found beached on the island.
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I would be interested to hear Christopher Walken's version of events.