Prime Video's God of War streaming show has added four new characters to its roster, including Louis Cunningham as Modi, Ben Chapple as Magni, Island Austin as Thrud, and Evelyn Miller as Gna. These new characters are described as having important connections to Odin and Thor. The cast includes Kratos actor Ryan Hurst, Max Parker as Heimdall, Teresa Palmer as Sif, and Callum Vinson as Atreus.