1. An image extracting apparatus for extracting a candidate image to be outputted as a representative image from a plurality of candidate images, comprising: a candidate image extracting section for extracting at least one of candidate images including a predetermined facial image from the plurality of candidate images; a first representative image extracting section for extracting the candidate image including the facial image of a predetermined person having a substantially different facial expression than a prepared facial image which includes a usual facial expression of the predetermined person among at least one of candidate images extracted by the candidate image extracting section; an average facial information storage section for storing average facial information indicative of the facial image of the predetermined person in association with the predetermined person; and a facial image comparison section for comparing the facial image included in the candidate image extracted by the candidate image extracting section, wherein the first representative image extracting section extracts the candidate image including the facial image having a substantially different facial expression than the facial image indicated by the average facial information stored in the average facial information storage section among the candidate images extracted by the candidate image extracting section based on the comparison result by the facial image comparison section.