Hit ’40s-set detective drama with Jason Watkins gets first look at season 2 and new cast

The period drama, led by Mark Gatiss and finished filming in December 2025, has offered a sneak peek at the next season. This includes a first look at Jason Watkins as Harold Sneed, a new character joining the cast.

Alongside Polly Walker (known for Bridgerton) as Trottie Book and Connor Finch as Jack Blunt, Gatiss plays Gabriel Book, a bookshop owner who finds himself solving crimes in London during 1946.

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Abdul-Mateen remembered being completely exhausted from working constantly. About a year before filming began, he contacted director George Miller and Warner Brothers to explain that he needed a break. He was worried about not being able to give his best performance if he continued at that pace, and he was grateful they understood and respected his need for time off.