Sally Yarnell
Sally Yarnell  was an actress who played an Enterprise command lieutenant in the  third season episode . As a background performer, she received no credit for her role.

Beginning in 1942, Yarnell appeared in background roles in several Hollywood films, including His Kind of Woman (1951, with Peter Brocco, Anthony Caruso, and Gil Perkins), Clash by Night (1952, with Keith Andes, Al Cavens, Tony Dante, and Dick Cherney), The Robe (1953, with Jean Simmons, Jay Robinson, Torin Thatcher, Michael Ansara, Walter Bacon, Al Cavens, Dick Cherney, Sam Gilman, Shep Houghton, Roy Jenson, and Arthur Tovey), and Around the World in 80 Days (1956, with Walter Bacon, Al Cavens, Dick Cherney, Noble Chissell, Bill Couch, Sr., Joe Garcio, Joseph Glick, Lars Hensen, Chuck Hicks, Shep Houghton, Max Kleven, Keye Luke, Monty O'Grady, Victor Paul, Edwin Rochelle, Walter Soo Hoo, Robert Strong, and Ron Veto).

From the late 1950s, she moved to television, where she could be seen in background roles in episodes of The Twilight Zone, Gene Roddenberry's The Lieutenant, The Untouchables, The Man from U.N.C.L.E., I Spy, Mission: Imposslbe, Bonanza, Columbo, Gunsmoke, Kojak, Kolchak: The Night Stalker, The Six Million Dollar Man, and The Bionic Woman.

External link 
 

Performers
TOS performers