If you haven't seen it already, here's Private Practice star Kate Walsh in a new ad for Cadillac. Hot! Cadillac certainly did well with this ad (and spokeswoman).

[youtube]http://www.youtube.com/watch?v=jkEw1rsBUak[/youtube]

"When you turn your car on, does it return the favor?"

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.