Before voice overs on Deadliest Catch and before Dirty Jobs, Mike Rowe worked for QVC. And he was exactly the same. These are his a few of his greater moments, sorted by awesomeness.
http://www.blogyoulikeahurricane.com/2007/06/mike-rowes-greatest-television-moments.html
I LOVE the tag line at the end of the post:
QuoteSelling random pieces of crap on QVC... that's a dirty job.