My Mama Cass is a History, Music film that follows a definitive film on music icon Cass Elliot's life, legacy, and the mother-daughter bond that shaped them both, rather than a traditional biopic on the Mamas & the Papas member. My Mama Cass is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of history movies may also want to explore similar titles below.