Terri Treas (born July 19, 1957 in Kansas City, Kansas) is an American actress, writer and director. She has starred in films and on television. Terri is best known for her role as Newcomer Cathy Frankel on the Fox Network short-lived science fiction series Alien Nation (1989–1990) and in the five movies produced subsequent to the TV series which continued the storyline.
Her other well-known TV roles include the 1980s TV series Seven Brides for Seven Brothers as Hannah McFadden from 1982–1983; the Fox Network TV series DEA;, and Santa Barbara.
Terri's first movie role was in the 1979 movie All That Jazz; her other film roles are So Fine (1981), The Best Little Whorehouse in Texas (1982), and House IV (1992).
Terri directed her first movie in 1992 called Play Nice, starring Louise Robey of Friday the 13th: The Series.
Terri has written some episodes for TV series.
She had made guest appearances on many TV shows, such as Knight Rider, Crazy Like a Fox, The A-Team, Murphy Brown, and Roseanne.