Tom Koracick is a refreshing change of pace for the series and for the hospital on Grey's Anatomy Season 15.

Mark Sloan shows up on Meredith's Beach in her dreamscape along with Lexie and both talk to her about life.

Dr. Derek Shepherd in the Season 9 episode "Transplant Wasteland."

Similarly to previously mentioned characters, Callie also comes from a strictly Catholic Latina background. She has a more difficult coming out process as her father first disowns her after hearing the news, but eventually he learns that no amount of praying will pray the gay away. With the help of her girlfriend Arizona, she's able to truly embrace her sexuality and show us that being gay is not simply a choice.

We're close up with Dr. April Kepner in this Grey's Anatomy scene. She'll play a key role on Season 11.

Seriously, look at this guy! He's so attractive it's offensive. How does he always find his light? Why is his smile so perfect? Beauty, brains, and the personality to match. Jackson Avery is the full package, ladies, gents, and all those in between.

Tom Koracick chooses to leave to fight for something better and wants to work with Jackson too for equitable treatment.

The cast of "Grey's Anatomy" poses in the portrait studio during the 33rd Annual People's Choice Awards held at the Shrine Auditorium on January 9, 2007, in Los Angeles, California.

This is the cover photo for the editorial about 15 Actors Who Left Successful TV Shows.

Richard Webber talks to Winston about something serious.

Grey's Anatomy Season 19 will feature a lot less Meredith.

In the Season 5 premiere of Grey's Anatomy, "Dream a Little Dream of Me," a couple of new and interesting patients are admitted to Seattle Grace.