- Script
- Martin Lodewijk (credited); Peter Daibenzeiher (Übersetzung)
- Pencils
- Martin Lodewijk (credited)
- Inks
- Martin Lodewijk (credited)
- Colors
- Studio Leonardo
- Letters
- Marianne Nuß (credited)
- Genre
- Humor (humor); Spionage (spy)
- Reprints
- from Agent 327 (Oberon, 1977 series) #3 - Dossier Zevenslaper (1978)
which is reprinted- from Eppo (Oberon, 1975 series) #47/1977 (1977), #48/1977 (1977), #49/1977 (1977), #50/1977 (1977), #51/1977 (1977), #52/1977 (1977), #1/1978 (1978), #2/1978 (1978), #3/1978 (1978), #4/1978 (1978), #5/1978 (1978), #8/1978 (1978), #9/1978 (1978), #10/1978 (1978), #11/1978 (1978), #12/1978 (1978), #13/1978 (1978), #14/1978 (1978), #15/1978 (1978), #16/1978 (1978), #17/1978 (1978), #18/1978 (1978), #19/1978 (1978)