Grandma Got Run Over by a Reindeer (Grey's Anatomy)

"Grandma Got Run Over By a Reindeer" is the Christmas episode of the ABC television series .

Cast

 * Ellen Pompeo as Dr. Meredith Grey
 * Sandra Oh as Dr. Cristina Yang
 * Katherine Heigl as Dr. Izzie Stevens
 * Justin Chambers as Dr. Alex Karev
 * T.R. Knight as Dr. George O'Malley
 * Chandra Wilson as Dr. Miranda Bailey
 * James Pickens, Jr. as Dr. Richard Webber
 * Kate Walsh as Dr. Addison Montgomery-Shepherd
 * Isaiah Washington as Dr. Preston Burke
 * Patrick Dempsey as Dr. Derek Shepherd