Mangold's almost two-decade-old Johnny Cash biopic is the perfect movie to watch following A Complete Unknown.

James Mangold is still finding inspiration in the musical biopic genre, despite previous jabs at his work. The 2x Oscar ...

"A Complete Unknown" features Boyd Holbrook as Johnny Cash. In James Mangold's earlier movie "Walk the Line," Joaquin Phoenix ...

He didn't know that when he made Walk the Line." Dylan shared the letters with Mangold, who lifted some of the film's dialogue directly from them. "It's a beautiful series of letters," adds Mangold.

James Mangold, director of the acclaimed Johnny Cash biopic Walk the Line, reflects on the lasting influence of the 2007 parody Walk Hard: The Dewey Cox Story.

He didn't know that when he made Walk the Line." Related: Boyd Holbrook is ready to 'make some noise' as Johnny Cash in A Complete Unknown trailer Dylan shared the letters with Mangold ...