Real world article
(written from a production point of view)
Walt Davis (9 February 1929 – 21 September 1981; age 52) appeared twice in the first season of Star Trek: The Original Series.
Davis filmed his scenes for his first appearance as a Romulan crewman in "Balance of Terror" on Wednesday 27 July 1966 and Thursday 28 July 1966 at Desilu Stage 9. He filmed his scenes for his second appearance as a Klingon soldier in "Errand of Mercy" on Friday 27 January 1967 at the "Arab Village" section of the 40 Acres backlot.
His body of work includes the 1979 film Samurai, with Don Keefer, Michael Pataki, Johnny Haymer, Bob Minor, Tom Lupo, and Greg Barnett.