In mid-2005, Ehrenfeld was replaced by a different actress on Overstock.com's TV and radio commercials, but soon after returned as the spokesperson, following shrill protests from her fans. She also appeared in a holiday-themed Lexus automobile commercial that aired throughout the month of December 2005. In March 2007 she began appearing in a television ad for Nesquik.
Ehrenfeld has had modest roles in films, television shows, and stage productions. She has spent time working with the Groundlings improvisational comedy troupe.
According to internet reports, Ehrenfeld is an accomplished pilot and equestrian as well as fluent in English, French, and Italian, in addition to German, and is also an expert pistol shot.