Dr. Malcolm Sayer, a shy research physician, uses an experimental drug to "awaken" the catatonic victims of a rare disease. Leonard is the first patient to receive the controversial treatment. His awakening, filled with awe and enthusiasm, proves a rebirth … Robert De Niro, Robin Williams, John Heard, Julie Kavner, Penelope Ann Miller, Ruth Nelson, Max von Sydow Added on Netflix 2023-08-01. Youtube Trailer