If you can keep your composure, there’s still a chance you won’t end up dead. Dead Calm was directed by Phillip Noyce and adapted to screenplay by Terry Hayes from the novel of the same name written by Charles Williams. It features Sam Neill, Nicole Kidman and Billy Zane. Graeme Revell composed the music and Dean Semler served as cinematographer. Following the tragic loss of their young son in a car accident, John (Neill) and Rae Ingram (Kidman) set out alone on their yacht for an ocean getaway. While relaxing, they spot a ship adrift and then a man frantically rowing toward them in a dinghy. He boards their yacht, visibly panicked, claiming that the ship is sinking and everyone aboard perished due to food poisoning. His name is Hughie Warriner (Billy Zane), and the Ingrams are about to regret ever encountering him.... The Saracen and The Orpheus. It’s truly refreshing to find a thriller that works without resorting to gimmicks or complicated plotting, where the story is reduced to its essentials and played out solely between three characters. Dead Calm, though not the most believable thriller from the 80s, delivers genuine suspense, has a simmering intensity, and boasts impressive production values. Director Noyce focuses on psychological studies, primarily of a deranged person and a woman struggling with grief who must draw upon her inner strength to try and save herself and her husband. Noyce and his team manage to extract maximum edge-of-your-seat thrills from a small yacht isolated in the middle of a vast ocean. The tight camera work and skillful editing contribute to a film of quality that surpasses its modest production. Even acclaimed Australian photographer Semler (previously known for Mad Max 2/Razorback, later Dances With Wolves/Waterworld) creates beauty from such a minimalist setting, where the blues and greens of the ocean are soothing and the red sunsets are visually pleasing. These glimpses of nature give the Ingrams something tangible to fight for. Because the plot requires Neill to be in his own isolated hell, he delivers a restrained performance, which is perfect. However, it's Zane and Kidman who truly stand out. This film marked a pivotal moment in Kidman’s career, foreshadowing the accomplished actress she would become. She portrays Rae Ingram with remarkable strength amidst adversity, displaying energy, intelligence, and a subtle sensuality; she’s a character worthy of respect thanks to Kidman’s performance. Zane is suitably unsettling, embodying a man-child persona and exuding a dangerous sexuality; when things escalate, he becomes genuinely frightening. A couple of questionable choices in the story's development, along with a bizarre ending, prevent it from reaching the very top tier of thrillers. However, it’s not far off from being among the best and remains engaging as time passes. 8/10

Source on TMDB