It's hard for female doctors working with Gregory House to experience any real longevity.
Dr. Cameron was around for a long time, but she was most recently seen causing romantic turmoil on "How I Met Your Mother" and then heading off to investigate fairy tales on ABC's "Once Upon a Time." 
Thirteen hasn't exactly vanished from the show, but she seems to only be around when she has gaps in a busy movie career.
And then Joan of Arcadia was around for the better part of a season, until God told her it was time to move on.
[Apologies if fiction and reality got blurred somewhere there.]
This fall, House will welcome two new underlings, doctors played by Odette Annable -- most recently seen on FOX's newly resurrected "Breaking In" -- and Charlyne Yi, who won hearts in "Knocked Up" and won a Sundance screenwriting award for "Paper Heart."
Annable's character will make her first appearance in Monday's (October 3) "House" premiere, while you'll have to wait a week to see Yi. 
Here's how the two actresses describe their characters, their own struggles with medical jargon and the "House" culture of side-smacking.
A long-time member of the TCA Board and a longer-time blogger of "American Idol," Dan Fienberg writes about TV, except for when he writes about movies or sometimes writes about the Red Sox. But never music. He would sound stupid talking about music.