On Friday, a former member of the Norwegian royal family came forward to accuse the House Of Cards alum of groping him at a Nobel Peace Prize party ten years ago.
"We had a nice conversation, he was sitting right next to me", the writer shared.
Princess Martha Louise of Norway, and ex husband Ari Behn.
"I got more than I bargained for", he joked to the radio host.
During a recent interview on Norwegian radio station P4, Behn, who was married to the European royal at the time, recalled how the actor reportedly grabbed his genitals under a table.
"I had black hair back then and was 10 years younger, so [I] was right up his alley", Behn added.
Behn separated from Princess Martha Louise, the only daughter of King Harald V, last year (16) after 14 years of marriage. The pair, who have three children together, married in 2002.
Actor Anthony Rapp was among the first to make claims against the actor and alleged he made a sexual advance on Rapp when he was just 14 and Spacey was 26.
Spacey issued an apology at the time for his "drunken behaviour" and said he was "horrified" and did not remember the incident occurring.
Spacey is one of the biggest names to lose work and standing in Hollywood since sexual harassment and abuse allegations against film mogul Harvey Weinstein emerged earlier this year.
The consequences for Spacey have been catastrophic to his career and reputation, including the humiliation of being summarily fired from House of Cards and seeing his role in a soon-to-open movie re-shot with another actor.
The former Norwegian royal is just one of at least 15 men who have come forward with allegations against Spacey. In a statement Spacey also revealed he was gay.