Google Play has already had this for a little while: http://ccm.net/faq/30199-google-play-movies-tv-now-integrates-a-facial-recognition-tool http://ccm.net/faq/

Google Play has already had this for a little while: http://ccm.net/faq/30199-google-play-movies-tv-now-integrates-a-facial-recognition-tool http://ccm.net/faq/30199-google-play-movies-tv-now-integrate... It's pretty trivial since you know the actors in the movie and can do the face recognition for the people on screen using the existing methods when the video is paused, but still quite neat to see it happen.