A noted professor and his dim-witted apprentice fall prey to their inquiring vampires, while on the trail of the ominous damsel in distress.
| Actor | Role |
|---|---|
 Jack MacGowranProfessor Abronsius | Professor Abronsius |
 Roman PolanskiAlfred | Alfred |
 Alfie BassShagal, the Inn-Keeper | Shagal, the Inn-Keeper |
 Jessie RobinsRebecca Shagal | Rebecca Shagal |
 Sharon TateSarah Shagal | Sarah Shagal |
 Ferdy MayneCount von Krolock / Narrator | Count von Krolock / Narrator |
 Iain QuarrierHerbert von Krolock | Herbert von Krolock |
 Terry DownesKoukol, the Servant | Koukol, the Servant |
 Fiona LewisMagda, the Maid | Magda, the Maid |
 Ronald LaceyVillage Idiot | Village Idiot |
| SSydney BromleySleigh Driver | Sleigh Driver |
 Andreas MalandrinosWoodcutter | Woodcutter |
| OOtto DiamantWoodcutter | Woodcutter |
| MMatthew WaltersWoodcutter | Woodcutter |
 Vladek SheybalHerbert (voice) | Herbert (voice) |
| RRoy EvansVampire at Ball (uncredited) | Vampire at Ball (uncredited) |
| WWinifred SabineDeaf Vampire at Ball (uncredited) | Deaf Vampire at Ball (uncredited) |
 Dido PlumbOld Man Smoking Pipe at the Inn (uncredited) | Old Man Smoking Pipe at the Inn (uncredited) |