Late actor Christian Oliver can soon be seen on screen in a new spiritual documentary that explores healing, grief and transformation set against the backdrop of the California desert amid a four-day fast. Oliver is one of a handful of participants featured in Vision Quest, the feature directorial debut of Jan Becker in what marks Oliver’s final moments in front of a camera before his tragic passing on Jan. 4, 2024, when a private plane carrying him and his two daughters, Madita, 10, and Annik, 12, crashed into the Caribbean Sea. Filming on the documentary wrapped just weeks prior. Vision Quest unfolds as cameras follow Oliver and three fellow participants, Gabriela De Pasquale, Carol Grojean and Julie Conelly, over the course of a four-day solo fast in California’s high desert while being guided by facilitator Mark Tollefson.…