Disclosed is a display device for more easily providing information on a character in a current scene to a user upon receiving a character search request. The display device includes a display configured to display an image, a wireless communication interface configured to receive character information of characters relating to the image, and a controller configured to control the display to display thumbnails of the characters based on the character information, wherein the controller controls the display to display an indicator on a thumbnail of a matching character most similar to a face image of a character in a current scene among the thumbnails of the characters.