Kathy Ahart
Kathy Ahart  was an actress who played Kati, otherwise credited as "Crew Woman", in the  first season episode . She filmed her scene on Thursday  at Desilu Stage 10. 

Ahart moved to Los Angeles from her hometown of Eldon, Missouri during the early 1960s, and aside from her appearance on Star Trek, she worked for about a decade as a model and appeared in television commercials.

External link 
 

de:Kathy Ahart
nl:Kathy Ahart
Performers
TOS performers