CTSFaceFinder is an unique and free program for working with photos. If you have a big amount of photos and you want to find all photos with some faces then CTSFaceFinder is what you need. Just set a path to directory with photos (subdirectories are allowed) and click the "Run" button. You get a list of all faces from selected directory. After that you can select some faces and see photos with these faces. Also you can copy photos with selected faces to other place on the disk.

The license of this software is Freeware, you can free download and free use this image utility software.