Colman Domingo as Bayard Rustin

Aml Ameen as Martin Luther King, Jr.

Glynn Turman as A. Philip Randolph

Chris Rock as Roy Wilkins

Gus Halper as Tom

Johnny Ramey as Elias Taylor

CCH Pounder as Dr. Anna Hedgeman

Michael Potts as Cleve Robinson

Audra McDonald as Ella Baker

Jeffrey Wright as Rep. Adam Clayton Powell

Lilli Kay as Rachelle

Jordan-Amanda Hall as Charlene

Jakeem Dante Powell as Norm

Ayana Workman as Eleanor

Grantham Coleman as Blyden

Jamilah Rosemond as Dorie

Jules Latimer as Joyce

Maxwell Whittington-Cooper as John Lewis

Frank Harts as Jim Farmer

Kevin Mambo as Whitney Young

Carra Patterson as Coretta Scott King

Da'Vine Joy Randolph as Mahalia Jackson

Adrienne Warren as Claudia Taylor

Bill Irwin as A. J. Muste

Jamar Williams as Tyrone

Hope Clarke as Lucille Randolph

Zuri Starks as Girl One

Delmiko Blair as Man One

Rashad Edwards as Medgar Evers

Gab Cody as Female Staffer

Dan Sauer as Male Staffer Jim

Johanna McGinley as TN Mother

Jeff Hochendoner as TN Officer

Phoenix Southwood as Dexter

Isabela Spurlock as Yolanda

Amir Carr as Martin III

Jeffrey Jordan as Courtney

Melissa Rakiro as Yvette

Cotter Smith as Chief Wells

Ivan Moore as Bill Johnson

Jimmy Bopp as Engineer One

Michael Alban as March Journalist

Dan De Luca as March Journalist

John Judy as March Journalist

Robert S. Gregory as Union Guy

Scott Deal as TN Bus Driver

Drayton Walker as Little Stevie Wonder

Chris Blount as Charles

Ashton Rogers as Pasadena Boy #1

George Kelly as Pasadena Boy #2

Rob Pfleghardt as Joachim Prinz

Christopher Anglim as Rev. Eugene Carson Blake

Devin Doolan as Walter Reuther

Marlon Bradley Ray as Floyd McKissick

Gemma Davimes as Team Member

Alexis Evangelista as Team Member

Alexis Hester as Team Member

Mario Latronica-Gerlach as Team Member

Marissa Lily as Team Member

Mia Sterbini as Team Member

Valena Zitello as Team Member

Chelsie Grant as Team Member

Janet K. Lawrence as Team Member

Corvynne Mikell as Team Member

Jana Glover as Team Member

Alexis Holt as Petite Black Girl

Emily H. Gilson as Little Rock White Girl

Jackie Diehl as Little Rock White Girl

Kyra Radomsky as Little Rock White Girl

Cadence Reese as Little Black Girl

Chanel Minnifield as Lunch Counter Activist

Zoë Bowen Smith as Lunch Counter Activist

Hunter Ringsmith as Lunch Counter Activist

Alexander Ramirez as Hooligan

Declan Thomas Desmond as Hooligan

Taylor Isaac Gray as Hooligan

Collin Antrim Miller as Hooligan

Jordan Aaron Hall as Teen Boy Singing

Cal Mitchell as Teen Boy Singing

Kedrick Faulk as Teen Boy Singing

Kobe Brown as Teen Boy Singing

Eli Derby as Teen Boy Singing

Jordan McNeal as Teen Boy Singing

Deryck Tynes as Gospel Pianist

Sam McCrea as Reporter (uncredited)

Wain Jenkins as Harlem Pedestrian (uncredited)

Ivy Lightsey as Mean Girl (uncredited)