Scott is a maverick, and didn't shrink under the pressure to re-stage the key scenes involving J Paul Getty, the oilman who refused to pay a ransom after his grandson, John Paul Getty III was kidnapped.
Kevin Spacey plays billionaire John Paul Getty in All the Money in the World, which is set to be released in the United States on December 22. The actor, who is facing serious accusations of sexual misconduct, has a notable role in the film, and his involvement has already seen Sony tone down its Oscar promotion for the movie.
The announcement came just hours after one of Kevin Spacey's co-stars from Baby Driver revealed that the actor was a "bully" on set.
Sources close to the production of "All the Money in the World" have said that Plummer began reshoots immediately following the release of new sexual harassment allegations against a teenage boy were directed at the Oscar winning actor, Spacey. We'll keep you posted. The decision was made by director Ridley Scott, along with Imperative Entertainment's Dan Friedkin and Bradley Thomas.
It is also thought that digital compositing could place Plummer into some existing shots.
The latest accusation against Spacey came Wednesday, when a former television news anchor accused him of sexually molesting her son a year ago when he was 18.
Gay Talese tells Kevin Spacey's alleged victims to "suck it up"
But now, she added, "he's committed to doing what he can to stop Kevin Spacey from victimizing anyone else". A publicist said last week that Spacey is "taking the time necessary to seek evaluation and treatment ".
The movie has also been withdrawn from the American Film Institute's (AFI) annual festival in Los Angeles later this month.
Former US TV news anchor Heather Unruh says her son was assaulted by the star after meeting him in a bar past year.
The claims against Spacey span from the mid-1980s to past year.
United States network Netflix has axed further production of Mr Spacey's House of Cards drama, the International Academy of Television Arts and Sciences announced it would no longer give the actor a special Emmy award, and his agent and publicist dropped him as a client.
Vox has reached out to Spacey's representatives for comment.