De Treaux played one of the three creatures in John Newland's horror TV movie Don't Be Afraid of the Dark (1973), which was her first film role.
[1][2] Making the prosthetics for De Treaux to play a "gnome-like creature" took some special adaptations, according to John Chambers.
[3] De Treaux later worked with a singing group in San Francisco called the Medflies in 1980.
[5] De Treaux's work in Ghoulies (1985) was praised by Michael Wilmington in the Los Angeles Times who hated the movie, but enjoyed her performance.
[7] De Treaux was one of the models in Daphne and Apollo, Los Angeles (1990), photographed by Joel Peter Witkin.