Inhabitants of the Tantalus colony in 2266.
Named personnel
Unnamed personnel
Guard #1
This guard was stationed on the Tantalus colony penal center and was in charge of the inmates. Killed when he fell into a electorical circuit. (TOS: "Dagger of the Mind")
Guard #2
This guard was stationed on the Tantalus colony penal center and was in charge of the inmates. He helped the above mentioned guard in finding Doctor Helen Noel. (TOS: "Dagger of the Mind")
Guard #3
This guard was stationed on the Tantalus colony penal center and was in charge of the inmates. He helped Eli taking Captain Kirk to the Neural neutralizer. (TOS: "Dagger of the Mind")
Inmate #1
This inmate was criminally insane and received therapy at the penal colony. He was subjected to a new experimental therapy device called the neural neutralizer. (TOS: "Dagger of the Mind")
Inmate #2
This inmate was criminally insane and received therapy at the penal colony. He was walking down a corridor with a female inmate, passing the way of Doctor Adams, Captain Kirk and Doctor Helen Noel. (TOS: "Dagger of the Mind")
Inmate #3
This inmate was criminally insane and received therapy at the penal colony. She was walking down a corridor with a fellow inmate, passing the way of Doctor Adams, Captain Kirk and Doctor Helen Noel. (TOS: "Dagger of the Mind")
Inmates
These inmates were criminally insane and received therapy at the penal colony. Most of them were present when an Enterprise security team beamed down with Spock to rescue Captain Kirk and Doctor Helen Noel. (TOS: "Dagger of the Mind")
Therapist
The therapist assisted Dr. Adams and Dr. Van Gelder on the Tantalus penal colony where the neural neutralizer was used to treat the criminally insane. He later helped the guards to find and capture Doctor Helen Noel. (TOS: "Dagger of the Mind")