An Egyptian sarcophagus that is cargo on a pleasure cruise ship has a secret - it contains the son of Satan, and its effects start to make the ship's passengers behave strangely.
| Actor | Role |
|---|---|
 Dirk BenedictSimon McLane | Simon McLane |
 Frank ConverseMatt Lazarus | Matt Lazarus |
 John ForsytheRev. Charles Mather | Rev. Charles Mather |
 Christopher GeorgeNeal Barry | Neal Barry |
 Lynda Day GeorgeSandra Barry | Sandra Barry |
 Jo Ann HarrisJudy Haines | Judy Haines |
 Lee MeriwetherLil Mather | Lil Mather |
 Ray MillandDr. Isiah Bakkun | Dr. Isiah Bakkun |
 Hugh O'BrianCaptain Andy | Captain Andy |
 Stella StevensMarilyn Magnesun | Marilyn Magnesun |
 Hilarie ThompsonDebbie Porter | Debbie Porter |
 Marshall ThompsonBennett | Bennett |
 Ruben MorenoEmanuel | Emanuel |
 Roger E. MosleyNathan | Nathan |