We don't have a biography for Joyce "Tilly" Mitchell yet. Hang in there, or go ahead and contribute one.
Escape at Dannemora Main cast, played by Patricia Arquette Episode 1x01: Part 1 (Nov 18, 2018) Episode 1x02: Part 2 (Nov 25, 2018) Episode 1x03: Part 3 (Dec 2, 2018) Episode 1x04: Part 4 (Dec 9, 2018) Episode 1x05: Part 5 (Dec 16, 2018) Episode 1x06: Part 6 (Dec 23, 2018) Episode 1x07: Part 7 (Dec 30, 2018)