The Buzz Log What’s hot on Yahoo! Buzz™ (and why)...

When a TV show really clicks, all of the actors are working in harmony to create a memorable ensemble. If a show hits the big time, its entire cast can become an object of devotion—just ask all the Trekkies who obsess over actors and actresses who spent even a second on the set of "Star Trek." But what TV show casts inspire the most searches? We invite you to join us on the casting couch as we count down the top 20 cast searches over the last week...