After several female motorists begin disappearing en route to Twin Falls, a Hollywood screenwriter and the cousin of his bride-to-be discover that they've all been abducted by the mysterious Dr. Marlowe, who is attempting to resurrect his dead wife.
| Actor | Role |
|---|---|
 Bela LugosiDr. Richard Marlowe | Dr. Richard Marlowe |
 George ZuccoNicholas | Nicholas |
 Tod AndrewsRalph Dawson | Ralph Dawson |
 Wanda McKayBetty Benton | Betty Benton |
 Louise CurrieStella Saunders | Stella Saunders |
 John CarradineToby | Toby |
| PPat McKeeGrego | Grego |
| MMici GotyMarie | Marie |
 Ellen HallEvelyn Marlowe | Evelyn Marlowe |
 Henry HallSheriff | Sheriff |
 Mary CurrierMrs. Benton | Mrs. Benton |
| RRalph LittlefieldSam, gas station attendant | Sam, gas station attendant |
 Terry WalkerAlice, first motorist-victim seen | Alice, first motorist-victim seen |
 Claire JamesZombie | Zombie |
 Ethelreda LeopoldZombie | Zombie |
| DDorothy BailerZombie | Zombie |
 John InceS.K. - the Producer (uncredited) | S.K. - the Producer (uncredited) |
 Dan WhiteDeputy | Deputy |
| GGeorge DeNormand(scenes deleted/never filmed) (uncredited) | (scenes deleted/never filmed) (uncredited) |
 Edward Keane(scenes deleted/never filmed) (uncredited) | (scenes deleted/never filmed) (uncredited) |