- Jessie Mei Li as Alina Starkov
- Ben Barnes as General Kirigan
- Archie Renaux as Malyen Oretsev
- Freddy Carter as Kaz Brekker
- Amita Suman as Inej Ghafa
- Kit Young as Jesper Fahey
- On June 7, 2021, after being watched by more than 55 million member households in its first 28 days, Shadow and Bone was renewed for an 8 episode second season.
- On August 5, 2021 it was announced that the scripts were written and heading into production.
- On September 2021 Leigh Bardugo announced that casting had begun for the new characters of season 2, namely Nikolai, Wylan, Tolya, and Tamar.