The cause of death for American actor Peter Greene, known for his roles in "Pulp Fiction" and "The Mask," has been officially determined as an accidental self-inflicted gunshot wound to the left armpit, which severed his brachial artery. Greene's body was discovered in his New York apartment in December 2025, and initial investigations had ruled out foul play. The medical examiner's office concluded the incident was accidental, indicating the actor inadvertently shot himself, leading to a fatal injury. Greene, who rose to prominence in the 1990s for his memorable supporting roles, saw his career impacted by struggles with addiction.