Rebecca Hall Has Idea for 'Scandalous Cameo' on Husband Morgan Spector's “The Gilded Age”: 'Mayhem at a Party' (Exclusive)

The actress shared her idea with PEOPLE while promoting her series 'The Listeners' at the Toronto International Film Festival

<p>Stefanie Keenan/VF24/WireImage</p> Rebecca Hall and Morgan Spector on March 10.

Stefanie Keenan/VF24/WireImage

Rebecca Hall and Morgan Spector on March 10.

Rebecca Hall can envision herself wearing finery while making a fuss in late 19th century New York — on The Gilded Age, that is.

The actress, 42, who is married to Morgan Spector, 43, one of the stars of the HBO period drama, recently told PEOPLE there are no current plans for her to appear on the series, but she’s into the idea.

“That'd be fun, but I'd want a really scandalous cameo. Something really outrageous,” she said while promoting her upcoming BBC series The Listeners at the Toronto International Film Festival.

“I want a big frock and I want to cause some mayhem at a party,” added Hall.

Related: Why Rebecca Hall Prefers Countryside Life with Husband Morgan Spector: We're 'Pretty Quiet People' (Exclusive)

The Gilded Age, from Downton Abbey creator Julian Fellowes, depicts the power struggle between old-money New Yorkers (Christine Baranski and Cynthia Nixon play two) and the nouveau riche who disrupt the status quo, including Bertha Russell (Carrie Coon), the wife of railroad magnate George (Spector).

<p>Monica Schipper/WireImage</p> Rebecca Hall on March 25.

Monica Schipper/WireImage

Rebecca Hall on March 25.

Though they have yet to collaborate on The Gilded Age, Hall and Spector — who met in rehearsals for the 2014 Broadway revival of the play Machinal — are always “open” to taking on projects together, Hall said.

“We work together quite a lot. We develop stuff together. We produced stuff together before. We're always looking for things, constantly coming up with ideas around the kitchen table. That's very much part of our relationship,” she said.

<p>Alison Cohen Rosa/HBO</p> 'The Gilded Age' on HBO.

Alison Cohen Rosa/HBO

'The Gilded Age' on HBO.

In her new series The Listeners, she plays an English teacher whose life is upended when she begins to hear a strange hum that no one else seems to register. As she looks for answers, she bonds with a student (Ollie West) who can also hear it.

Related: Rebecca Hall Explains Why Being a Working Mom in Her 'Crazy' Job Is a 'Blessing and a Curse' (Exclusive)

Hall said the show’s strange premise lured her to sign on to the series directed by Zola’s Janicza Bravo.

"I just thought it sounded so odd and I like odd things. Literally, before I even read the script, I was already like, ‘I'll do it.’ Because it was described to me as, ‘Okay, well there's this show about a woman who hears a strange humming noise that nobody else can hear, and it's not tinnitus and it's being directed by Janicza Bravo.’ And I was like, ‘Yes, fine, I'll do it.’”

Spector, she said, has seen the series and is a fan: “He loves it. He think it's brilliant.”

The Gilded Age is now streaming on Max.

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