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Rebecca Hall Officially Joins Netflix Series Based On Dan Brown Novel ‘The Secret Of Secrets’
Rebecca Hall has been confirmed as Katherine Solomon in Netflix’s forthcoming series based on Dan Brown’s 2025 novel *The Secret of Secrets*. She will appear opposite her husband, Morgan Spector, as recurring protagonist Robert Langdon, marking a significant casting step for Netflix’s new adaptation of Brown’s internationally successful Langdon stories.
The story follows Langdon as he tries to rescue a missing scientist and her potentially transformative manuscript while confronting ancient forces. Katherine is both a scientist and Langdon’s girlfriend; the series, co-created by Brown and showrunner Carlton Cuse, received a straight-to-series Netflix order in May 2025. Previous Langdon film adaptations starring Tom Hanks grossed about $2.24 billion worldwide by 2025.
In short
- Rebecca Hall will play Katherine Solomon in Netflix’s Dan Brown adaptation.
- Morgan Spector stars as Robert Langdon.
- The series adapts Brown’s 2025 novel *The Secret of Secrets*.
Explained simply
Dan Brown’s Robert Langdon stories are thrillers in which a Harvard professor of religious symbols and history becomes involved in mysteries linked to art, science and secret groups. The novels have been adapted into films starring Tom Hanks, which together earned about $2.24 billion worldwide.
In The Secret of Secrets, Langdon searches for a missing scientist and a manuscript said to hold potentially transformative ideas. Katherine Solomon is a scientist and Langdon’s girlfriend, placing her close to both the investigation and its personal stakes.
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