- Script
- Frank Robbins (credited)
- Pencils
- Frank Robbins (credited)
- Inks
- Frank Robbins (credited)
- Letters
- typeset
- Genre
- eventyr (adventure)
- Characters
- Johnny Hazard; Kelly [Cutout Keeley]; Grev Piero di Guardi; Grevinne Julia di Guardi; baronesse Lisa Alberich; Janson
- Reprints
- from Johnny Hazard Sunday (King Features Syndicate) 1958-03-02 - 1958-06-08 [original title: Mystery Ship]
Også utgitt i Fantomet #8/1968 (annen oversettelse og layout).