Former Walking Dead co-star Emily Kinney has joined the cast of Showtime's Masters of Sex.

The series stars Michael Sheen and Lizzy Caplan as William Masters and Virginia Johnson, the pioneers of human sexuality.

Kinney will play the recurring role of Nora, a former neighbor of Bill and Libby Masters, who volunteers to be a sex surrogate in the 1960s-set drama, Entertainment Weekly reported.

Other new cast members for Season 3 will include Sarah Silverman, Josh Charles, Maggie Grace and Tate Donovan. The first episode of Season 3 of Masters of Sex is now available online ahead of its television premiere Sunday.