Question: who does the voice of the food critic in ratatouille
Answer: The film stars the voices of Patton Oswalt as Remy , an anthropomorphic rat who is interested in cooking ; Lou Romano as Linguini , a young garbage boy who befriends Remy ; Ian Holm as Skinner , the head chef of Auguste Gusteau 's restaurant ; Janeane Garofalo as Colette , a rôtisseur at Gusteau 's restaurant ; Peter O'Toole as Anton Ego , a restaurant critic ; Brian Dennehy as Django , Remy 's father and leader of his clan ; Peter Sohn as Emile , Remy 's older brother ; and Brad Garrett as Auguste Gusteau , a recently deceased chef .