We don't have a biography for Countess Constance Marklevicz yet. Hang in there, or go ahead and contribute one.
Rebellion Guest cast, played by Camille O'Sullivan Episode 1x01: Episode 1 (Jan 3, 2016) Episode 1x04: Episode 4 (Jan 24, 2016) Episode 1x05: Episode 5 (Jan 31, 2016)