The following is a list of unnamed Maranga IV inhabitants.
Assassins
These three Klingon assassins were hired by K'mtar in 2370 to attack Worf and his son Alexander at the Maranga IV outpost to show Worf that Alexander needed to be trained at the Klingon military academy. They were defeated by Worf with the help of K'mtar. (TNG: "Firstborn")
Kahless actor
This Klingon actor acted as Kahless in a Klingon opera at the Maranga IV outpost during the Kot'baval Festival held there in 2370. (TNG: "Firstborn")
Klingon bystanders
These Klingons watched the festival fight between the Kahless and Molor performers on Maranga IV. (TNG: "Firstborn")
Molor actor
This Klingon actor played Molor in a Klingon opera at the Maranga IV outpost during the Kot'baval Festival held there in 2370. In the play he defeated Starfleet Lieutenant Worf but was beaten by Worf's son Alexander. (TNG: "Firstborn")
Musician
This Klingon musician performed on an instrument during the fight play between the two actors at the Kot'baval festival. (TNG: "Firstborn")