Laughter and Punishment (2003)

French director Isabelle Doval directs her husband, popular comedic actor José Garcia, in the comedy Rire et Chatiment (Laughter and Punishment). Vincent (Garcia) is a popular physician whose aggressive need to be funny and get people's attention annoys his girlfriend, Camille (Doval), to the point that she leaves him. He begins to suspect she might have been onto something when his behavior begins causing people to die.