Alexis Mickael Wajsbrot is a French film director, producer, and visual effects supervisor best known for his 2016 horror film Don't Hang Up. Wajsbrot's directorial debut was the short film Red Balloon, a 13-minute thriller he co-directed. In 2010, he won the Directorial Discovery Award at the Rhode Island International Horror Film Festival and 35 selections in others.[citation needed] As a director, Wajsbrot is also a visual effects supervisor at... see more