STAGE TUBE: Watch Bryan Cranston Channel LBJ in New Trailer for ALL THE WAY on HBO

Below, check out a new trailer for HBO Films drama ALL THE WAY, debuting SATURDAY, MAY 21 at 8:00 p.m.(ET/PT).

Bryan Cranston reprises his Tony-winning role in ALL THE WAY, a riveting behind-the-scenes look at President Lyndon B. Johnson's tumultuous first year in office after the assassination of John F. Kennedy. Staking his presidency on what would be an historic, unprecedented Civil Rights Act, Johnson finds himself caught between the moral imperative of Dr. Martin LUTHERKing, Jr. and the expectations of the southern Democratic Party leaders who brought Johnson to power.

Directed by Jay Roach from a screenplay by Robert Schenkkan, who adapted his Tony-winning play of the same name. The cast also stars Anthony Mackie, Melissa Leo, Bradley Whitford andStephen Root, and includes Marque Richardson, Aisha Hinds, Todd Weeks, Mo McRae, Spencer Garrett and Frank Langella.

Produced for HBO by Amblin Television, Tale Told Productions and Moonshot Entertainment, with Steven Spielberg, Robert Schenkkan, Jay Roach, Bryan Cranston, Darryl Frank and Justin Falvey executive producing.