‘Bridgerton’ star Jonathan Bailey has joined the cast of Showtime’s upcoming limited series ‘Fellow Travellers.’

Bailey will join Matt Bomer and Allison Williams in the show based on the novel of the same name by Thomas Mallon.

The series follows the handsome and charismatic Hawkins Fuller (Bomer), avoiding emotional entanglements – until he meets Tim Laughlin (Bailey), a young man brimming with idealism and religious faith. They begin a romance just as Joseph McCarthy and Roy Cohn declare war on “subversives and sexual deviants,” initiating one of the darkest periods in 20th-century American history. Over the course of four decades, Hawk and Tim cross paths through the Vietnam War protests of the 1960s, the drug-fueled disco hedonism of the 1970s and the AIDS crisis of the 1980s, while facing obstacles in the world and in themselves.

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Consisting of eight episodes, “Philadelphia” writer and Oscar nominee Ron Nyswaner is adapting the book for the screen and will also executive produce. Daniel Minahan will direct the first two episodes and executive produce. Bomer executive produces in addition to starring, with Robbie Rogers also executive producing. Fremantle and Showtime will co-produce.

The series will go into production in Toronto later this month.

Bailey made his big breakthrough in season 2 of ‘Bridgerton’ as Anthony Bridgerton. He has also starred in ‘Broadchurch,’ ‘Leonardo,’ ‘W1A,’ and ‘Crashing.’