Here's Ruth Ammon's complete filmography from IMDB.com. She's definitely been around.
http://www.imdb.com/name/nm0025092/
Production Designer - filmography
(2000s) (1990s) (1980s)
1. Their Eyes Were Watching God (2005) (TV)
2. "Without a Trace" (2002) TV Series
3. "MDs" (2002) TV Series
4. Crime and Punishment in Suburbia (2000)
5. Gideon (1999)
6. Drop Dead Gorgeous (1999)
... aka Gnadenlos schön (Germany)
7. Snitch (1998)
... aka Noose (Australia: DVD title) (USA: working title)
... aka Monument Ave. (USA: new title)
8. Favorite Deadly Sins (1995) (TV) (segment "Lust")
... aka National Lampoon's Favorite Deadly Sins (USA: complete title)
9. Who's the Man? (1993)
10. Fly by Night (1993)
11. Strictly Business (1991)
12. The Hollow Boy (1991) (TV)
13. Loser (1991)
... aka Loser: The Movie
14. Tales from the Darkside: The Movie (1990)
15. Hotshot (1987)
... aka Rey del futbol, El (USA: Spanish title)
16. Walls of Glass (1985)
... aka Flanagan
17. Hard Choices (1985)
Art Director - filmography
(1990s) (1980s)
1. "VH1 Storytellers"
- Classics (????) TV Episode
2. The Music of Chance (1993)
3. Longtime Companion (1990)
4. Vampire's Kiss (1989)
5. Somewhere, Tomorrow (1983)