Bryan Cranston character Lyndon B. Johnson
Anthony Mackie character Martin Luther King, Jr.
Melissa Leo character Lady Bird Johnson
Frank Langella character Sen. Richard Russell
Bradley Whitford character Hubert Humphrey
Stephen Root character J. Edgar Hoover
Todd Weeks character Walter Jenkins
Ray Wise character Senator Everett Dirksen
Ken Jenkins character Howard W. Smith
Dohn Norwood character Ralph Abernathy
Mo McRae character Stokely Carmichael
Marque Richardson character Bob Moses
Aisha Hinds character Fannie Lou Hamer
Joe Morton character Roy Wilkins
Eric Pumphrey character David Dennis
Tim True character Deke Deloach
Bo Foxworth character Robert McNamara
Jeff Doucette character Senator Eastland
Hilary Ward character Coretta King
Spencer Garrett character Walter Reuther
Randy Oglesby character Senator Strom Thurmond
Ned Van Zandt character Senator Fulbright
Joe O'Connor character Senator Byrd
Bruce Nozick character Stanley Levison
Samantha Bogach character Luci Johnson
Hal Landon Jr. character Speaker John McCormack
Dan Desmond character Rep. Bill McCullough
Stoney Westmoreland character Rep. James Corman
Matthew Glave character Governor Sanders
Toby Huss character Governor Johnson
Corby Sullivan character Deputy Price
Regi Davis character Aaron Henry
Gregory Marcel character Edwin King
Zachary Barton character JFK's Secretary
Kevin Brief character New Orleans Announcer
Talia Toms character MLK's Girlfriend
Dale E. Turner character Choir Director
Thomas Lumberg Jr. character Secret Service Agent
Keith Barber character Older Man
Ethan Phillips character Joe Alsop