Cherry Jones, Corey Stoll, Rob Delaney & Abbey Lee Join Netflix’s Dan Brown Novel TV Adaptation

EXCLUSIVE: Following the news that Morgan Spector and Rebecca Hall will lead Netflix‘s Dan Brown novel TV adaptation of The Secret of Secrets, the cast will expand by four with the addition of Cherry Jones (Succession, The Handmaid’s Tale), Corey Stoll (Imperfect Women, Billions), Rob Delaney (Dying for Sex, Catastrophe) and Abbey Lee (Black Rabbit).

The as-yet untitled series adaptation is said to blend futuristic science with mystical lore. In The Secret of Secrets 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.

Spector stars as protagonist Langdon and Hall as Katherine Solomon, a scientist and Langdon’s girlfriend in the book.

The newcomers and who they will play, as well as a brief description of the characters from the book, can be found below:

Jones will play Heide Nagel, a U.S. Ambassador in Prague involved in a secret project led by Everett Finch.

Stoll will play Everett Finch, a former CIA agent.

Delaney will play Jonas Faukman, an editor who gets caught up in a sticky situation.

Lee will play Sasha Vesna, a research assistant for scientist Dr. Gessner, with whom she shares a bond.

Brown’s novels have sold over 250 million copies in 56 languages. The character of Langdon has been featured in five previous books: Angels & Demons (2000), The Da Vinci Code (2003), The Lost Symbol (2009), Inferno (2013) and Origin (2017). The Secret of Secrets was published by Doubleday on September 9, 2025.

Carlton Cuse and author Brown are co-creators and executive producers of the series adaptation, with the former serving as writer and showrunner. Emma Forman of Cuse’s Genre-Arts also executive produces the project with Zoe Robyn, which landed at Netflix in May 2025 with a straight-to-series order.