David (played by Bruno Ganz) is a protagonist in 5% de risque.
Henri Tanin (played by Jean-Pierre Cassel) appears in 5% de risque.
Laura (played by Aurore Clément) appears in 5% de risque.
The commissioner (played by Jean-Pierre Moulin) appears in 5% de risque.
Jean Navy (played by Pierre Michaël) appears in 5% de risque.
Morineau (played by Alex Métayer) appears in 5% de risque.