 VivaViva | Viva |
 James RadoJim | Jim |
 Gerome RagniJerry | Jerry |
 Shirley ClarkeShirley | Shirley |
| CCarlos ClarensCarlos | Carlos |
 Eddie ConstantineEddie | Eddie |
| MMax LaemmleMax | Max |
| SSteve KenisSteve | Steve |
| HHal LandersHal | Hal |
 Billie DixonJean Harlow in The Beard | Jean Harlow in The Beard |
 Richard BrightBilly the Kid in The Beard | Billy the Kid in The Beard |
 Peter BogdanovichPeter (uncredited) | Peter (uncredited) |
 Lyndon B. JohnsonSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| EEthel KennedySelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Robert F. KennedySelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Coretta Scott KingSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| MMichael McClureThe Beard Writer (uncredited) | The Beard Writer (uncredited) |
 Jim MorrisonSelf (uncredited) | Self (uncredited) |
 John XXIII.Self (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| PPeter Rafelson(uncredited) | (uncredited) |
 Rip TornThe Beard Director (uncredited) | The Beard Director (uncredited) |
 Agnès VardaAgnès (uncredited) | Agnès (uncredited) |
 Andy WarholSelf (uncredited) | Self (uncredited) |
