Now, actor Gabriel Byrne, who co-starred with Spacey in one of his most iconic films, The Usual Suspects, has said production on the 1995 movie had to be shut down temporarily due to his "inappropriate sexual behaviour".
"I did not know honestly then the extent of his violence", he said of Spacey. "It was only years later that we began to understand", he said.
Recalling the incident, the production stopped because Spacey had been accused of sexually inappropriate behaviour towards a younger actor.
Spacey - who is now facing multiple allegations of sexual harassment - went on to win an a Best Supporting Actor Oscar for his role in the 1995 Bryan Singer-directed movie. Singer was accused of sexually assaulting several teenagers in 2014, which he denied.
Rapp accused Spacey of making an unwanted sexual advance towards him in a USA hotel room when he was 14-years-old.
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Since the allegations against him have surfaced, Netflix has cut all ties with Spacey and removed him from House of Cards.
The show's finale is now set to focus on the character of Claire Underwood - played by Robin Wright - who, having succeeded her husband as president at the end of season five, looked directly at the camera, declaring: "My turn".
The backlash against the 58-year-old actor was even magnified by the recent sexual harassment scandals involving disgraced Hollywood producer Harvey Weinstein and many others.
"I did three movies with Harvey Weinstein, and I knew he was a sleazebag", the actor told the newspaper. Byrne added, "Because if it's not true, it's bad, and if it is true, it's not your job to say, 'Well, I wasn't there, the door was locked, I don't know what happened, I just heard the story'".
"I saw him be absolutely appalling, not just to women but to men as well".