Searching for Jack in the Freezing Water 💔🌊 | Titanic BTS Reality This behind-the-scenes breakdown reveals how filmmakers created the haunting moment where rescuers search the icy Atlantic for survivors — and for Jack — after the Titanic sinks. Instead of filming in a real ocean, James Cameron designed a massive water tank chilled to a safe but realistically cold temperature so the actors’ breath, shivers, and exhaustion looked authentic on camera. A fleet of lifeboat replicas floated across t