We don't have a biography for Sebastian Underhill yet. Hang in there, or go ahead and contribute one.
Curfew Main cast, played by Peter Sullivan Episode 1x02: Episode 2 (Mar 1, 2019) Episode 1x04: Episode 4 (Mar 15, 2019) Episode 1x06: Episode 6 (Mar 29, 2019) Episode 1x07: Episode 7 (Apr 5, 2019)