Superfreak

Overview

Issues surface when Derek's estranged sister, Amelia (Caterina Scorsone), visits unexpectedly; Meredith and Derek continue to try to ease Cristina back into surgery.

Guest Stars

Caterina Scorsone

Amelia Shepherd

James Tupper

Andrew Perkins

Arlene Santana

Nurse

Dana Davis

Gretchen

Art Chudabala

Jerry Adams

Omar Gooding

Danny

Jolene Kim

Tess Adams

Sean Carrigan

Todd