Jeffrey Wright
— Dr. Martin Luther King, Jr.
Terrence Howard
— Ralph Abernathy
CCH Pounder
— Jo Ann Robinson
Carmen Ejogo
— Coretta Scott King
Reg E. Cathey
— E.D. Nixon
Brent Jennings
— Rufus Lewis
Iris Little Thomas
— Rosa Parks
Shawn Michael Howard
— Fred Gray
Aaron Neville
— Angry Neighbor
Erik Dellums
— Bayard Rustin
Mike Hodge
— Daddy King
Whitman Mayo
— Reverend Banyon
Walter Franks
— Reverend Fields
Mert Hatfield
— Mayor Gayle
Tom Nowicki
— Commissioner Sellars
Danny Nelson
— Commissioner Parks
E. Roger Mitchell
— Bob Phillips
Heather Salmon
— Mrs. Dunlap
Clark Johnson
— Emory Jackson
Jack Martin
— Clifford Durr
Crystal Garrett
— Juanita Abernathy
Thomas Jefferson Byrd
— Raymond Parks
James Bigwood
— Bus Driver
L. Warren Young
— Hotel Clerk
Freda Scott Giles
— Woman #1
Schveka Cooper-Brown
— Woman #2
Ralph David Abernathy
— Young Boy
Dan Biggers
— Judge
Frank Hoyt Taylor
— Jack Crenshaw
Toiya Tillman
— Claudette Colvin (as Thimbe Prather)