Dakota Johnson as Margaret 'Maggie' Shepherd

"Maybe if you didn't have your head so far shoved up your ass then people would probably treat you way better then they do now"

The polar opposite

Justin Chambers as Alex Karev

"You always have to come first, you always make snide remarks and you never listen but I still can't stay away from you"

The Brother

Patrick Dempsey as Derek Shepherd

"Stop acting like a spoiled brat"

The Greatest Best Friends

Jamie Clayton as Pat Reece

"Fall in love already!"

Conrad Ricamora as Kelly Westen

"Going to the bars with Maggie is way to scary, I'll pass"

Nafessa Williams as Finley Edison

"Stop punching people!"

The rest of the Grey's Anatomy cast as themselves

Supporting Characters

Sarah Shahi as Esther Collazo
Karen Gillan as August Kepner