The man claims he fled after allegedly being warned by the American Beauty actor not to tell anyone about it.
One is Marc Collins-Rector, the man at the center of Michael Egan's lawsuits, who plead guilty to luring minors across state lines in 2004.
He continued, saying Spacey gave him an expensive watch to buy his silence.
A photo taken during the private tour, which was organised by the Duke, shows Maxwell and Spacey smiling as they sit on the Queen's and Prince Philip's Coronation thrones.
Legal issues The Los Angeles District Attorney's office stated in April 2018 that it would investigate an allegation that Spacey had sexually assaulted an adult male in 1992.
He earned a fan base after playing the criminally insane arms dealer Mel Profitt on the television series 1988.
But while Spacey may be contemplating plans for a tentative future, his alleged victims are frozen in court filings.
The source added: 'If Kevin can convince a jury he was the crucial link with Ghislaine, rather than Andrew, it distances the Prince from her somewhat - and that's crucial.