Sandra Oh is headed back to ABC. The “Grey’s Anatomy” alum will guest star on Season 3 of “American Crime,” set to premiere in 2017. Oh returns to the network following her departure from the hit medical drama in 2014. The anthology is executive produced by John Ridley and Michael J. McDonald. Oh will play Abby Tanaka, a social worker who runs a shelter in Alamance County, N.C., for victims of domestic abuse.