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 nominee, who co-wrote and directed the 2005 Johnny Cash pic Walk the Line, has ...

"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.

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 ...