(written from a Production point of view)
Armando Gonzales is a professional dancer and actor who worked as dancing double for Leonard Nimoy in the Star Trek: The Original Series third season episode "Plato's Stepchildren". He received no credit for this appearance. (Star Trek Encyclopedia, p. 379)
Gonzales had featured parts in the musical Pan-Americana (1945), the romance Dream Girl (1948), the crime drama Tropic Zone (1953, with George Sawaya), and the crime comedy The Cheap Detective (1978, with Louise Fletcher, Paul Williams, James Cromwell, David Ogden Stiers, Vic Tayback, and Jonathan Banks).