| Person | Type | Job | Role(s) |
|---|---|---|---|
 Conor McNally | Crew | Directing | Director |
 Johnny Cash | Cast | Actor | Self (archive footage) |
 Kenny Aronoff | Cast | Self | |
 Kris Kristofferson | Cast | Actor | Self |
 Lucinda Williams | Cast | Actress | Self |
 Matthew McConaughey | Cast | Actor | Self |
 Mickey Raphael | Cast | Actor | Self |
 Sheryl Crow | Cast | Actress | Self |
 Willie Nelson | Cast | Actor | Self |
 Amy Lee | Cast | Actress | Self |
 Brandi Carlile | Cast | Actress | Self |
 Buddy Miller | Cast | Self | |
 Rhett Miller | Cast | Actor | Self |
 Shooter Jennings | Cast | Actor | Self |
 Dom Flemons | Cast | Actor | Self |
 Rhiannon Giddens | Cast | Actress | Self |
Jesse Dayton | Cast | Self | |
 Ronnie Dunn | Cast | Actor | Self |
Ian McLagan | Cast | Self | |
Sam Beam | Cast | Self | |
Shelby Linne | Cast | Self | |
 Andy Grammer | Cast | Actor | Self |
Hubby Jenkin | Cast | Self | |
Jamey Johnson | Cast | Self | |
Leyla McCalla | Cast | Self | |
Greg Leisz | Cast | Self | |
| Person | Type | Job | Role(s) |
