MAHNOB MHI-Mimicry database

This database consists audiovisual recordings of human interactions in two situations: while discussing a political topic and while playing a role-playing game. In total there are 54 recordings, of which 34 are of the discussions and 20 of the role-playing game. Apart from the recordings, the database contains annotations for many different phenomena, including dialogue acts, turn-taking, affect, head gestures, hand gestures, body movements and facial expressions.

See here for more information and visit to access the database.