1. An image playback apparatus comprising: image acquisition means for acquiring image content including still images and movies and photographing information involved in photographing a subject to create the image content; image classifying means for classifying the image content into a plurality of image groups on the basis of the photographing information; and image playback means for organizing all still images belonging to one of the image groups into a still-image slideshow and successively playing back one or a plurality of movies belonging to the one image group and the still-image slideshow.