Waste not, want not.
It's what we've been taught since we were children, isn't it?
Yet some TV shows clearly haven't gotten the message, as they're fortunate enough to have some top notch stars and fascinating characters on their roster... yet relegate many of these individuals to the sidelines.
Which characters need a call-up to the main storylines? Who do we wish to see more of on a weekly basis?
Flip through our selections below and let us know which characters you think could use some more love from writers...
Carissa Pavlica is the managing editor and a staff writer for TV Fanatic. Follow her on Twitter.