We don't have a biography for Concettina Ipolita Tempesta Birdsey / Ma yet. Hang in there, or go ahead and contribute one.
I Know This Much is True Main cast, played by Melissa Leo Episode 1x01: Episode 1 (May 10, 2020) Episode 1x02: Episode 2 (May 17, 2020) Episode 1x03: Episode 3 (May 24, 2020) Episode 1x04: Episode 4 (May 31, 2020) Episode 1x06: Episode 6 (Jun 14, 2020)