“30 Rock” star Krakowski will play “Dr. Donna,” the mother of a classmate of Manny’s (Rico Rodriguez) who ends up getting into a fight with Gloria (Sofia Vergara), the network said Friday. Eisenberg, who portrayed Facebook founder Mark Zuckerberg in “The Social Network” will play Asher, a tree-hugging neighbor of Mitchell (Jesse Tyler Ferguson) and Cam (Eric Stonestreet).
And Hickey (“The Good Wife”) will play a therapist who sees to a member of the Dunphy family.
The episode, titled “Under Pressure,” will begin filming next week.
“Modern Family” has consistently been the highest-rated show during Wednesday primetime.
Entertainment Weekly first reported the casting.