Because you like Sarah O'Brien in Downton Abbey

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Yuri is living in the afterlife, which takes the form of a high school where no one dies. But if you follow the school's rules and live a "normal" life you vanish. See them in Angel Beats!.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

Merciless and manipulative, Queen Ravenna is determined to become the fairest of them all. See them in Snow White and the Huntsman.

They say prison changes you, and Piper Chapman is figuring that out the hard way. See them in Orange Is The New Black.