Fans of are in for a treat as it's been confirmed that Elisabeth Moss will play a significant role in the spin-off series, The Testaments.

The sequel, set 15 years after the events of The Handmaid's Tale, is based on Margaret Atwood's book of the same name.

While it was previously announced that Ann Dowd would be returning to her role as Aunt Lydia as one of the narrators, Hulu has now revealed that Elisabeth Moss will also serve as an executive producer on the show.

This isn't Moss's first time working behind the scenes, having directed several episodes of The Handmaid's Tale. The release date for The Testaments is yet to be announced, but filming for the eagerly awaited sequel is set to commence from April 7.

The spin-off will introduce a new generation of young women living in dystopian Gilead, with the story being narrated by three women: Agnes, Daisy and Aunt Lydia, reports

The show's description reads: "For these young women, growing up in Gilead is all they have ever known, having no tangible memories of the outside world prior to their indoctrination into this life.

"Facing the prospect of being married off and living a life of servitude, they will be forced to search for allies, both new and old, to help in their fight for freedom and the life they deserve."

Joining Ann Dowd in the cast are confirmed actors Rowan Blanchard, Mattea Conforti, Mabel Li, Amy Seimetz and Brad Alexander.

Fans are gearing up for a thrilling expansion of The Handmaid's Tale universe as Zarrin Darnell-Martin, Eva Foote, Isolde Ardies, Shechinah Mpumlwana, Birva Pandya, and Kira Guloien join the spin-off cast.

Hulu set social media alight with a behind-the-scenes photo from the script read-through for The Testaments. The snapshot has sparked sheer excitement among devotees of the dystopian drama, with one fan exclaiming on social media: "BEST NEWS OF THE YEAR."

Another thrilled viewer added their praise, declaring: "Praise be!" The online buzz continued to grow with comments like: "Omg, this is so awesome!!!! I read both books and the show was totally different but, I love The Handmaid's Tale series so much. Can't wait to see this spin-off [sic]."

Expressions of anticipation flooded in, with someone else chiming in: "Such exciting news!" Another fan echoed the sentiment saying: "Amazing!!! So excited to watch."

This comes just as fans prepare for the bitter-sweet curtain call of The Handmaid's Tale, slated for April 8. In the run-up to its grand finale, a teasing trailer dropped, hinting at June's fierce revolt against Gilead.

A synopsis reads: "This final chapter of June's journey highlights the importance of hope, courage, solidarity, and resilience in the pursuit of justice and freedom."

The Handmaid's Tale airs on April 8 on in the US. In the UK, it's available to watch both on Channel 4 and .