Unforgotten Guest cast, played by Gráinne Keenan Episode 5x02: Episode 2 (Feb 27, 2023) Episode 5x03: Episode 3 (Feb 27, 2023) Episode 5x04: Episode 4 (Feb 27, 2023) Episode 6x02: Episode 2 (Feb 9, 2025) Episode 6x03: Episode 3 (Feb 9, 2025)
