Colman Domingo

Bayard Rustin

Aml Ameen

Martin Luther King, Jr.

Glynn Turman

A. Philip Randolph

Chris Rock

Roy Wilkins

Gus Halper

Tom

CCH Pounder

Dr. Anna Hedgeman

Michael Potts

Cleve Robinson

Audra McDonald

Ella Baker

Jeffrey Wright

Rep. Adam Clayton Powell

Lilli Kay

Rachelle

Grantham Coleman

Blyden

Jules Latimer

Joyce

Maxwell Whittington-Cooper

John Lewis

Frank Harts

Jim Farmer

Carra Patterson

Coretta Scott King

Da'Vine Joy Randolph

Mahalia Jackson

Adrienne Warren

Claudia Taylor

Bill Irwin

A. J. Muste

Rashad Edwards

Medgar Evers

Johanna McGinley

TN Mother

Jeff Hochendoner

TN Officer

Cotter Smith

Chief Wells

Ivan Moore

Bill Johnson

Jordan Aaron Hall

Teen Boy Singing

Sam McCrea

Reporter (uncredited)