Rollista

• Kelvin Harrison Jr. — Martin Luther King Jr.
• Aaron Pierre — Malcolm X
• Weruche Opia — Coretta Scott King
• Jayme Lawson — Betty Shabazz
• Ron Cephas Jones — Elijah Muhammad
• Gary Carr — Clyde X
• Hubert Point-Du Jour — Ralph Abernathy
• Geoffrey Rush — Albert Einstein
• Johnny Flynn — Albert Einstein (Young)
• Samantha Colley — Dora Maar
• Richard Topol — Fritz Haber
• Michael McElhatton — Philipp Lenard
• Emily Watson — Elsa Einstein
• Ralph Brown — Max Planck
• Antonio Banderas — Pablo Picasso
• Alex Rich — Pablo Picasso (Young)
• Clémence Poésy — Françoise Gilot
• Samantha Colley — Dora Maar
• Cynthia Erivo — Aretha Franklin
• Courtney B. Vance — C. L. Franklin
• David Cross — Jerry Wexler
• Malcolm Barrett — Ted White
• Patrice Covington — Erma Franklin
• Kimberly Hébert Gregory — Ruth Bowen
• Rebecca Naomi Jones — Carolyn Franklin