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.

For Amanda Seyfried, the Peacock limited series offered a rare opportunity to play a character adapted from a book while working closely alongside the author, Liz Moore.

The actress’s role as a Philadelphia beat cop in this Peacock series seems like an odd fit, but that’s the point. “I just wanted to prove to myself that nothing can feel too foreign,” she said.

In Peacock's TV adaptation of "Long Bright River" Amanda Seyfried portrays a Philadelphia cop desperate to stop a serial killer and find her sister.

The female-driven crime drama entertains, even if the episodic cliffhangers occasionally feel forced The post ‘Long Bright River’ Review: Amanda Seyfried Pushes the Envelope in Peacock’s Bingeable Mystery appeared first on TheWrap.

The “Long Bright River” series premiere drops Thursday, March 13. Stream the entire season today on Peacock.

As of March 16, 2025, Long Bright River has not been renewed for a second season on Peacock. The Peacock thriller series, which premiered on March 13, 2025, with all eight episodes out at once, was originally pitched as a limited series with Amanda Seyfried in the lead role.

The eight-episode adaptation of Liz Moore's novel tells a story of sisterhood, addiction and murder set in the Kensington neighborhood of Philadelphia.