Galleries - Other Federation Members
Note The names and characteristics of the alien Federation members who appeared especially in "Star Trek I" were not mentioned on screen. We may easily accept some of their names, but we should be careful with the suggestions about their nature. The Arcturian clones as mass-produced soldiers would be in contrast to the principles of the Federation. Some other capabilities of the races are not really plausible either and should be taken with a grain of salt.
Many screen caps from TrekCore.