Onder andere met: Thomas Bidegain (smoker), L. Stinus (researcher CNRS), Dr Anne-Laurence Le Faou (HEGP), Tasio Bidegain , Camille Kouchner , Dr. Patrick Dupont (Hopital Albert Chenevier), Florence Morel , Christine Zonzon , Sergio Catoire , Dr Tarik Aissani , Madame et Monsieur Martin , Alain Hochart , Dimitrios Theodorakopoulos , Clint Eastwood (stock footage)