| Person | Type | Job | Role(s) |
|---|---|---|---|
 Lee Loughnane | Cast | Actor | Self (archive footage) |
 Chris Pinnick | Cast | Self (archive footage) | |
 Peter Cetera | Cast | Actor | Self (archive footage) |
 James Pankow | Cast | Self (archive footage) | |
 Jason Scheff | Cast | Self (archive footage) | |
 Tris Imboden | Cast | Self (archive footage) | |
Robert Lamm | Cast | Self (archive footage) | |
Walter Parazaider | Cast | Actor | Self (archive footage) |
 Bill Champlin | Cast | Self (archive footage) | |
Danny Seraphine | Cast | Actor | Self (archive footage) |
Dawayne Bailey | Cast | Self (archive footage) | |
| Person | Type | Job | Role(s) |
