Director Adam Marcus is drawing attention after reportedly posting harsh criticism of late actor Val Kilmer on social media. In a since-deleted Threads post, Marcus reflected on working with Kilmer during the 2008 direct-to-DVD thriller Conspiracy and described the experience in extremely negative terms, calling Kilmer the "worst human being I've ever known." Marcus suggested that Kilmer's alleged behavior on set would not be tolerated in today's industry, though he did not provide specific examples in the reported posts. The comments resurfaced discussion about Kilmer's career and personal struggles. The actor, known for roles in films such as Top Gun and Tombstone, was diagnosed with throat cancer in 2014 and underwent treatment that permanently affected his voice. Despite those challenges, he continued acting and writing in the years that followed. Kilmer died from pneumonia in 2025 at the age of 65. While Marcus' comments offered one negative perspective, many of Kilmer's colleagues and fans have remembered him as a talented and influential actor whose performances left a lasting mark on Hollywood.