Dept. Q Guest cast, played by James MacNaughton Episode 1x02: Episode 2 (May 29, 2025) Episode 1x05: Episode 5 (May 29, 2025) Episode 1x06: Episode 6 (May 29, 2025) Episode 1x07: Episode 7 (May 29, 2025) Episode 1x08: Episode 8 (May 29, 2025)