Kenny Leon Professor Kendricks Director, Actor Danielle Brooks Mahalia Jackson Actor Jason Dirden Russell Actor Joaquina Kalukango Mildred Actor Olivia Washington Estelle Actor Rob Demery Martin Luther King Actor Marci T. House Aunt Duke Actor Jim Thorburn Studs Actor Kerry Sandomirsky Bess Berman Actor Bettina Gilois Screenwriter Todd Kreidler Screenwriter Moshe Bardach Producer Charles Cooper Producer Robin Roberts Executive Producer Linda Berman Executive Producer Adam Sliwinski Cinematographer Melissa Kent Film Editing Matthew Head Original Music Fredy Mendoza Art Director