Spacey responded by saying he doesn't remember the alleged encounter but if he acted the way Rapp alleges, "I owe him the sincerest apology for what would have been deeply inappropriate drunken behavior".
Netflix and the show's producer Media Rights Capital had already made a decision to end the series at the end of the current season but on Tuesday they chose to pause the production, which is filmed in Baltimore, "to give us time to review the current situation and to address any concerns of our cast and crew".
Montana is the second Hollywood star to make such allegations against Spacey.
The Producers Guild of America also announced it had instituted a lifetime ban on Weinstein from holding membership in the organization.
He claimed the Usual Suspects star invited him to his apartment for a party and at the end of the night picked him up, placed him on his bed and climbed on top of him, making a sexual advance. In response, Spacey posted a widely criticized apology to Twitter on Monday that contained his first public declaration of being gay.
He said he didn't tell his parents or the authorities at the time because he thought Spacey's behaviour might have been "permissible" and anxious he might have "given off a vibe" that he was interested in Spacey.
Now 46, Rapp told Buzzfeed: The older I get, and the more I know, I feel very fortunate that something worse didn't happen.
Mexican actor Roberto Cavazos wrote on his Facebook page that he encountered Spacey at the bar of London's Old Vic Theatre, where Spacey was artistic director from 2004-15, and the actor tried to fondle him against his will.
Gurriel issued five-game ban, but not in World Series
Darvish is not Chinese; he was born in Japan to a Japanese mother and Iranian father. "I did not want to offend anybody", Gurriel said after the game via an interpreter.
When he walked back into the bar to work, Beal said Spacey followed him and handed him an expensive Swiss watch he was wearing.
Sources have since surfaced claiming that Netflix and MRC are planning a sequel to House of Cards, one that doesn't yet have any final storyline but that may revolve around series character Doug Stamper.
John chose to speak out after actor Anthony Rapp came forward to accuse the Oscar-winning actor of making advances on him when he was just 14 years old and admitted he didn't confide in his parents or authorities at the time because he thought Spacey's behaviour might have been "permissible" and was concerned he himself had "given off a vibe" he was interested in the star.
Writer Anna Graham Hunter alleged in a Wednesday column in The Hollywood Reporter that the now 80-year-old actor groped her on the set of TV movie "Death of a Salesman" and "talked about sex to me and in front of me".
20th Century Fox Television said it made a decision to remove Spacey's name after the actor was accused of sexual misconduct. "I feel for Mr. Rapp and I support his courage".
Spacey's woes began after he was accused by actor Anthony Rapp, 46, of sexual misconduct dating back to 1986. I have loved and had romantic relationships with men throughout my life, and I choose now to live as a gay man.
Representatives for Spacey have yet to comment on the latest allegations.
He told RadarOnline.com: "I went up to order a drink and Kevin came up to me and put his arm around me".
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