Act-One is a product that enhances character animation using artificial intelligence technology. It creates expressive and realistic character performances from simple video inputs, opening new avenues for creative storytelling in both animation and live-action content. The main advantages of Act-One include easy-to-use video input, realistic facial expressions, diverse character designs, the ability to generate multi-character dialogue scenes, high-fidelity facial animations, and responsible AI technology. Background information reveals that Act-One is powered by RunwayML, representing a significant advancement in video-to-video and facial capture technology without the need for expensive equipment.