This book constitutes the refereed proceedings of the COST 2102 International Conference on Verbal and Nonverbal Features of Human-Human and Human-Machine Interaction, held in Patras, Greece, October 29 -31, 2007. The 21 revised full papers were carefully reviewed and selected. The papers are organized in topical sections on static and dynamic processing of faces, facial expressions and gaze as well as emotional speech synthesis and recognition.