Because you like Addison Montgomery in Grey's Anatomy

Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.

A star student destined for Princeton, nerdy Devi Vishwakumar dreams of losing her virginity to a stone-cold hottie who can "rock her all night long." See them in Never Have I Ever.

Haymitch Abernathy is a trainer for the tributes of District 12, although he's never sober enough to give much advice. See them in The Hunger Games .

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

Petyr Baelish's main assets? A sharp mind, deep pockets, and no scruples. See them in Game of Thrones.

The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.

Joyce Byers isn't crazy. She's just speaking to her missing son across dimensions using Christmas lights. See them in Stranger Things.

Just like half of L.A., Mia Dolan is working a dead end job until she hits the big screens. See them in La La Land.

If you cross him, Tommy Shelby is the last man you'll ever see. Not too hard on the eyes though. See them in Peaky Blinders.

A homeless orphan with unusual red hair, Anne knows the odds are against her. But she's starting to find her inner power. See them in Anne With an E.

Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.

James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..