Them Guest cast, played by Pat Healy Episode 1x01: Day 1 (Apr 9, 2021) Episode 1x03: Day 4 (Apr 9, 2021) Episode 1x07: Day 7: Night (Apr 9, 2021) Episode 1x08: Day 9 (Apr 9, 2021) Episode 1x10: Day 10 (Apr 9, 2021)