Cast (in credits order)
| The Four Tops | ... | Themselves - Guest Hosts | |
| Wolfman Jack | ... | Self - Announcer | |
| Rest of cast listed alphabetically: | |||
| Dr. Hook | ... | Themselves (as Dr. Hook & The Medicine Show) | |
| John Mayall | ... | Self | |
| Mott the Hoople | ... | Themselves | |
| Shawn Phillips | ... | Self | |
 |
Todd Rundgren | ... | Self |