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.