The Allentown native plays a Philadelphia police officer in the Kensington-set show based on Liz Moore's book.

This article contains spoilers for “Long Bright River,” now streaming on Peacock. Two years before Liz Moore's novel "Long Bright River" ever hit shelves in 2020 and became a bestseller - and one of Barack Obama's top books of the year - she was approached by different producers.

I've always wanted to play a cop,” Seyfried says. “It's like a childhood dream to play somebody that I just was always in awe of, even though it's funny [because] I'm not g