Efrosians in Star Trek were originally seen in movies, but a new named character is introduced in Discovery season 5. The design of Efrosians was created by artist Thomas Blackshear and translated into prosthetics by makeup artist Brian Wade. The Efrosians have limited appearances on screen, with only 3 Efrosians appearing in Star Trek, including the Federation President.

The Efrosians in Star Trek appear twice, and only briefly, in the Star Trek movies, before a named Efrosian character debuts in Star Trek: Discovery season 5. The Efrosians are a Star Trek alien species characterized by long, flowing white or platinum blonde hair, piercing light eyes, and V-shaped cranial ridges. The first two appearances of Efrosians imply that every member of the species may be blind, but without a larger sample size, it's hard to tell if that's a universal trait among all Efrosians, or simply coincidence. It's possible -- and far more likely...