The One Guest cast, played by Paul Brennen Episode 1x01: Episode 1 (Mar 12, 2021) Episode 1x02: Episode 2 (Mar 12, 2021) Episode 1x05: Episode 5 (Mar 12, 2021) Episode 1x06: Episode 6 (Mar 12, 2021) Episode 1x07: Episode 7 (Mar 12, 2021) Episode 1x08: Episode 8 (Mar 12, 2021)