- Script
- Joe Gill (credited)
- Pencils
- Steve Ditko (credited)
- Inks
- Steve Ditko (credited)
- Colors
- ?
- Letters
- Charlotte Jetter
- Job Number
- D-3990
- Genre
- horror-suspense; fantasy-supernatural
- Characters
- Impy the Imp (host); Dean Bartlett; Peg Bartlett; Count Roberto D'Amato; Gregorio [Butler]
- Synopsis
- Dean and Peg Bartlett discover the inhuman monsters living in the catacombs under Rome.
- Reprints
Pages 3 and 4 are printed out of order.