B.B. King, Joan Baez and other great artists gather for a show at Sing Sing Prison. The film was made with the help of inmates who had spent a year learning to use camera equipment.
| Actor | Role |
|---|---|
 B.B. KingSelf | Self |
 Joan BaezSelf | Self |
 Jimmie WalkerSelf | Self |
 Mimi FariñaSelf | Self |
 Joe WilliamsSelf | Self |
 Miguel PiñeroSelf | Self |