| AAaron ChristensenNot listed | Not listed |
| GGregory W. MankNot listed | Not listed |
 Jane AdamsSelf (archive footage) | Self (archive footage) |
 Kathleen BurkeThe Panther Woman (archive footage) | The Panther Woman (archive footage) |
 Lon Chaney Jr.The Wolf Man / Larry Talbot (archive footage) | The Wolf Man / Larry Talbot (archive footage) |
 Lon ChaneyThe Phantom / Quasimodo (archive footage) | The Phantom / Quasimodo (archive footage) |
 Robert ClarkeSelf (archive footage) | Self (archive footage) |
 Colin CliveHenry Frankenstein (archive footage) | Henry Frankenstein (archive footage) |
 Boris KarloffVarious roles (archive footage) | Various roles (archive footage) |
 Sara KarloffSelf | Self |
| DDwight KemperSelf | Self |
| JJon KitleySelf | Self |
 Carla LaemmleSelf | Self |
 Elsa LanchesterMary Shelley / The Monster's Mate (archive footage) | Mary Shelley / The Monster's Mate (archive footage) |
 Charles LaughtonDr. Moreau (archive footage) | Dr. Moreau (archive footage) |
 Peter LorreDoctor Gogol (archive footage) | Doctor Gogol (archive footage) |
 Bela Lugosi Jr.Self | Self |
 Bela LugosiDracula / Dr. Werdegast / Count Mora (archive footage) | Dracula / Dr. Werdegast / Count Mora (archive footage) |
 Fredric MarchDr. Henry Jekyll / Mr. Hyde (archive footage) | Dr. Henry Jekyll / Mr. Hyde (archive footage) |
 Terry MooreSelf | Self |
 Peggy MoranSelf | Self |
| DDeborah PainterSelf | Self |
 Mary PhilbinChristine Daae (archive footage) | Christine Daae (archive footage) |
| TTom ProveauxNarrator | Narrator |
| GGary SvehlaSelf | Self |
 Robert TinnellSelf | Self |
 Tom TylerThe Mummy / Captain Marvel (archive footage) | The Mummy / Captain Marvel (archive footage) |
 Edward Van SloanVan Helsing (archive footage) | Van Helsing (archive footage) |
 Elena VerdugoSelf | Self |
 Robert WiseSelf (archive footage) | Self (archive footage) |