Omega IV natives
List of unnamed (Kohm and Yang) Omega IV natives.

Kohms

Guard #1 

This Kohm guard took Kirk, Spock and McCoy in hostage, along with Captain Tracey and Wu. Later, he escorted Kirk and Spock to the dungeon where the two captured Yangs were held. He guarded Dr. McCoy who was experimenting on the virus that killed the crew of  on the planet Omega IV. ()

Guard #2 

This Kohm guard took Kirk, Spock and McCoy in hostage, along with Captain Tracey and Wu. Later, he escorted Kirk and Spock to the dungeon where the two captured Yangs were held. ()

Guard #3 

This Kohm prison guard was guarding the two captured Yangs, Cloud William and . ()

Servant  

This female Kohm brought food for Doctor McCoy when he was studiyng the virus that killed the crew of the  on the planet Omega IV. ()

Soldier #1 

This Kohm soldier helped Liyang to execute the captured Yangs Cloud William and , but they were interrupted by the arrival of the Enterprise landing party. ()

Soldier #2 

This Kohm soldier helped Liyang to execute the captured Yangs Cloud William and , but they were interrupted by the arrival of the Enterprise landing party. ()

Soldier #3 

This Kohm soldier helped Liyang to execute the captured Yangs Cloud William and , but they were interrupted by the arrival of the Enterprise landing party. ()

Villagers 
These Kohm villagers were watching as Liyang and three other Kohm soldiers were planning to execute Cloud William and  on the village main square. ()

Wu's family

Eldest brother 
Wu was about to tell James T. Kirk how old his eldest brother was, but was interrupted by an enthusiastic Ronald Tracey eager to add up the years Wu had lived (462) in his zeal to prove the presence of a fountain of youth on Omega IV. ()

Father 
According to Tracey, Wu's father was over a thousand years old. ()

Yangs

Cloud William's parent 
This former  was the parent of Cloud William. ()

Drummer  

The Yang drummer played the drum when the US flag was carried into the Yang ritual. ()

Flagbearer  

The Yang flagbearer carried a tattered stars and stripes US flag when the victorious Yangs defeated the Kohms. ()

Male #1  

This Yang male was present when the US flag was returned to his people, in the presence of the captured Kirk, Spock, McCoy, and Captain Tracy. ()

Male #2  

This Yang male was guarding the captured Spock and McCoy. ()

Scholar  

The Yang scholar was the keeper of the holy words. These words were what the Yangs lived by. It was used like their bible. Only s were allowed to read the words. Omega IV's culture was an extremely close parallel of Earth's and the "holy words" were a version of the Pledge of Allegiance. The greatest of holy words was the preamble to the Constitution of the United States of America. ()

Villagers 
These Yangs were present on the flag ceremony, and later they listened to Kirk's speech about the US Constitution. ()

Omega IV natives