Rebecca Hall Joins Morgan Spector in Series Based on Dan Brown’s ‘The Secret of Secrets’

Meredith Jacobs Fri, July 31, 2026 at 3:25 PM UTC

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- Daemian and Christine

There’s a new adaptation featuring Dan Brown’s Robert Langdon coming to TV.

Rebecca Hall has joined Morgan Spector, who has been cast as the professor and world-renowned symbologist, in Netflix’s adaptation of Brown’s The Secret of Secrets, the sixth book in his Robert Langdon series.

Read on for everything we know so far about this Secret of Secrets series, from the cast to the plot and more.

When does the Secret of Secrets series premiere?

It’s too soon to even speculate, as Spector’s casting is all that’s been announced thus far.

Who’s in the Secret of Secrets series cast?

So far, the series stars Morgan Spector and Rebecca Hall.

Spector’s Robert Langdon is described as “a Harvard professor and world-renowned symbologist whose eidetic memory and puzzle-solving abilities help him unravel mysteries at the intersection of science and spirituality.”

“Morgan is a truly wonderful actor whose work is always filled with intelligence, thoughtfulness and humanity,” showrunner, writer, and executive producer Carlton Cuse said of the casting. “He’s the perfect fit for Robert Langdon – a brilliant academic whose curiosity, intelligence, and intellect are the tools of his trade.”

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Rebecca Hall plays Katherine Solomon.

The series is based on the 2025 novel by Dan Brown, who will executive produce. He and Cuse are cocreators.

Joining showrunner and writer Cuse and Brown as executive producers are Emma Forman for Genre-Arts and Zoe Robyn.

Who else has played Robert Langdon?

The character has been part of five other books: Angels & Demons (2000), The Da Vinci Code (2003), The Lost Symbol (2009), Inferno (2013), and Origin (2017).

Tom Hanks played the character in three film adaptations of The Da Vinci Code (2006, pictured below), Angels & Demons (2009), and Inferno (2016). Ashley Zukerman played a younger version of the character in the 2021 one-season TV series The Lost Symbol.

Columbia/courtesy Everett Collection

What is the Secret of Secrets series about?

According to Netflix, “In Dan Brown’s thrilling novel, symbologist Robert Langdon races against ancient forces and time to rescue a missing scientist and her groundbreaking manuscript whose discoveries have the power to forever change humanity’s understanding of the mind. The series adaptation (currently untitled) will blend futuristic science with mystical lore, delivering on the heart-pounding suspense and international intrigue that has made the Langdon stories a global phenomenon.”

Is there a Secret of Secrets series trailer?

Not yet.

Read the latest entertainment news on TV Insider.

Original Article on Source

Source: “AOL Entertainment”