- Chuck Dixon
- Pete Woods
- Andrew Pepoy
- Noelle Giddings; Digital Chameleon (separations)
- Willie Schubert
- Tim Drake [Robin]; Spoiler [Stephanie Brown]; Arthur Brown [Cluemaster]; Alfred Pennyworth; Batman [Bruce Wayne]; Riddler [Edward Nigma]; Query [Diedra Vance] (Riddler henchwoman); Echo [Nina Damfino] (Riddler henchwoman); Joker (last page cameo)
Tim Drake does not appear in the Robin costume this issue.
Arthur Brown appears in the Cluemaster costume on the cover and Batman's computer screen only.