Britannia Guest cast, played by Jacobi Jupe Episode 3x01: Episode 1 (Aug 24, 2021) Episode 3x03: Episode 3 (Aug 24, 2021) Episode 3x04: Episode 4 (Aug 24, 2021) Episode 3x05: Episode 5 (Aug 24, 2021) Episode 3x06: Episode 6 (Aug 24, 2021) Episode 3x07: Episode 7 (Aug 24, 2021) Episode 3x08: Episode 8 (Aug 24, 2021)