KATHRYN HAHN as HOLLY SHEPHERD
The twin sister who tries to live up to her brothers standards
"I'm just here to see Addison, I literally do not care about you."
ANYA TAYLOR-JOY as DIANA YATES
The intern who most definitely has a thing for an attending
"I think I really like her which is a problem because she's my boss."
CAMILLA LUDDINGTON as JO WILSON
The intern who also definitely has a thing for an attending
"I know he has a girlfriend...but he is gorgeous."
JERRIKA HINTON as STEPHANIE EDWARDS
The intern who also most definitely has a thing for an attending
"I take back what I said about you two having crushes on your bosses...I see the appeal."
TINA MAJORINO as HEATHER BROOKS
The mousy intern who likes working on neuro
"Can I be on Dr Shepherd's service?"
TESSA FERRER as LEAH MURPHY
The intern who needs to just keep her mouth shut
"God, she's such a bitch."
GAIUS CHARLES as SHANE ROSS
The intern who really needs to sort his fucking life out.
"Um...I may have sort of done something bad."