Amid reports that the former Suits star is discussing a major return to television the duchess has been linked to a potential third season of Ritchie's show as she prepares to relocate to Britain with Prince Harry and their children, Prince Archie and Princess Lilibet.
The Hollywood Reporter has described the discussions as advanced, although other reports have stressed no contract is in place, no character has been confirmed and Netflix has not yet officially renewed The Gentlemen for a third season.
The Sun has reported Meghan could play a "temptress" on the show, although that description has not been confirmed by Netflix.
Royal biographer Hugo Vickers has told the publication he believes Meghan could seek restrictions on what the character would involve.
"I suspect that there won't be sort of raunchy scenes and things, but I could be wrong," Vickers said.
"I think it's very unlikely because I think that she will consider that her mere presence in the series will justify the fee that she will be being paid and therefore there's no need to go too far."
Vickers also claimed Meghan could seek contractual boundaries if negotiations progressed.
"Knowing her ways, I'm sure she will stipulate all sorts of things and I think she is capable of putting all sorts of boundaries up," he said.
"On the other hand, supposing she decides to go ahead, mean, actors are meant to do what they're told to, frankly, in these series.
"If it demands somewhat more, I don't know how to put it, more sort of inappropriate, perhaps that's the right word, appearance by her, then I guess that will possibly happen.
"But I don't think it will. I think she'll be putting all sorts of clauses and boundaries in, because that's the way she operates."
Meghan became internationally known playing paralegal Rachel Zane in the US legal drama Suits, appearing in the series for seven seasons before leaving before her marriage to Harry in 2018.
Her previous screen credits also include CSI: NY, 90210, Horrible Bosses, Anti-Social, When Sparks Fly and Dater's Handbook.
She has since returned to acting with a cameo as herself in the forthcoming comedy Close Personal Friends, which also stars Brie Larson, Lily Collins, Jack Quaid and Henry Golding.
The Gentlemen stars Theo James as Eddie Horniman, an aristocratic former soldier who inherits his family estate before discovering that it forms part of an underground cannabis operation.
Kaya Scodelario plays Susie Glass, while Daniel Ings also stars.
Its second season will arrive on Netflix on September 3.
Vickers also questioned how much influence Harry would have over Meghan's choice of acting roles.
"I imagine she'll do exactly what she wants, regardless of what Prince Harry thinks," Vickers said.
"I'm not sure how much he'd welcome his wife taking part in inappropriate scenes in TV or series or films or whatever, but she'll do whatever she wants I guess.
"I think she'll call the shots, yes I do. Definitely."
The possible role comes as Meghan and Harry prepare to return to Britain after six years based in California.
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