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.
Terri directed her first movie in 1992 called Play Nice.
Terri has written some episodes for TV series.
- Alien Nation: The Udara Legacy (1997 TV film) - Cathy Frankel
- Alien Nation: The Enemy Within (1996 TV film) - Cathy Frankel
- Alien Nation: Millennium (1996 TV film - Cathy Frankel)
- Ladykiller (1996)
- Scene of the Crime (1996) - Captain Lorraine Hanover
- Alien Nation: Body and Soul (1995 TV film) - Cathy Frankel
- Alien Nation: Dark Horizon (1994 TV film) - Cathy Frankel
- Yankee Zulu (1993) - Rowena
- Little Miss Millions (1993) - Susan Ferris
- Snapdragon (1993) - (she co-wrote this movie with Gene Church)
- House IV (1992)
- Play Nice (1992) - (she directed this movie)
- Rage and Honor (1992) - Rita Carrion
- Frankenstein Unbound (1990) - voice of computer
- The Fabulous Baker Boys (1989) - Girl in bed
- The Terror Within (1989) - Linda
- The Nest (1988) - Dr. Morgan Hubbard
- Deathstalker III (1988) - Camisarde
- Something in Common (1986 TV film) - Nancy Webster
- The Best Little Whorehouse in Texas (1982) - the Chicken Ranch Girl
- So Fine (1981)
- Headin' for Broadway (1980)
- All That Jazz (1979)
- Terri's Broadway musical credits - "Pal Joey" Circle in the Square, "My Fair Lady" Revival 1976, "Pippin," "Working," "King of Hearts," "Back Country." "Dancin'," "One Night Stand"