Michel Petrucciani, 36, a French jazz pianist, died yesterday in a New York hospital. Mr. Petrucciani, who suffered from osteogenesis, a disease that restricted his height to just 3 feet, died at the Beth Israel Medical Center in Manhattan.

R. Brendan Hanlon, 62, an actor and accountant who appeared in several films and wrote a tax guide for those in show business, died Saturday of cardiac arrest in Marshfield, Mass. He had small roles in the films "Dirty Laundry," "Good Will Hunting," "A Civil Action," "Meet Joe Black" and "The Spanish Prisoner."