Johnny Cash gets the biopic treatment in this superior portrait of the man, his music, the demons he battled and the love that saved him.

The film boasts of extremely competent performances, particularly the extraordinary Phoenix. As for Witherspoon, with her nasal twang and perky persona, she is sweet and sassy...

Walk the Line -- although conspicuously well acted -- is really no different from previous efforts, and that's a good thing. It shares the charm of the (musical biopic) genre.

“Walk the Line” may not be reinventing the wheel, but the film holds up incredibly well in the unique talents of remarkable performers who maintain Mangold’s vision.