Cast Credits The Last Kingdom (2015) Starring as Rognvaldr (5 episodes) Episode 5x07: Episode 7 (Mar 9, 2022) Episode 5x06: Episode 6 (Mar 9, 2022) Episode 5x04: Episode 4 (Mar 9, 2022) Episode 5x03: Episode 3 (Mar 9, 2022) Episode 5x01: Episode 1 (Mar 9, 2022) View 2 more View 2 less Guest starring as Rognvaldr (3 episodes) Episode 5x08: Episode 8 (Mar 9, 2022) Episode 5x05: Episode 5 (Mar 9, 2022) Episode 5x02: Episode 2 (Mar 9, 2022)