Throughout the Gunslinger Girl series several unnamed cyborgs appear.
In the Anime[]
In season two episode eight of the anime, four unnamed cyborgs appear in the dining hall behind Rico and Henrietta. It is worth noting that these cyborgs do not appear in the same scene of the manga.
In the Manga[]
In chapter 33, an unnamed cyborg appears carrying a tray of food in the dining hall.
In chapter 83, a handler named Kraman is introduced along with his unnamed cyborg.