Katherine Moffat (born 8 July 1958; age 67) is a former actress who portrayed Etana in the Star Trek: The Next Generation fifth season episode "The Game". She filmed her scenes for this episode on Wednesday 4 September 1991 on Paramount Stage 16 and had her make up test on Tuesday 3 September 1991.
Two years later, she appeared as Vaatrik Pallra in the Star Trek: Deep Space Nine second season episode "Necessary Evil".
Moffat appeared in The Beast Within (1982, starring Ronnie Cox and Bibi Besch, with Logan Ramsey and Ron Soble) and Spy Hard (1996, featuring Michael Berryman, Keith Campbell, Paul Eliopoulos, Andrew English, Bruce Gray, John Kassir, Diane and Elaine Klimaszewski, Clyde Kusatsu, Peewee Piemonte and Kevin Michael Richardson), and also voiced Scarlet Witch in Iron Man (1994).
In 1995, she appeared in the pilot episode of Legend (co-starring John de Lancie and featuring Stephanie Beacham, Douglas Rowe, and Terry Jackson, with production design by Herman F. Zimmerman), In 1996, she appeared in an episode of Babylon 5 starring Claudia Christian, Andreas Katsulas and Bill Mumy, with John Vickery and Time Winters.
Moffat retired from acting in 1998.