We don't have a biography for Grand Duke Leon Petrovich Romanov yet. Hang in there, or go ahead and contribute one.
Peaky Blinders Main cast, played by Jan Bijvoet Episode 3x02: Episode 2 (May 12, 2016) Episode 3x03: Episode 3 (May 19, 2016) Episode 3x04: Episode 4 (May 26, 2016) Episode 3x05: Episode 5 (Jun 2, 2016)