The Poseidon Adventure (1972 film) from Best Natural Disaster Movies

The S.S. Poseidon, an ocean liner slated for retirement, makes her way to Athens. Despite protests from the Captain, who fears for the ship's safety, the new owner's representative insists he go full speed to save money, preventing him from taking on ballast. Reverend Scott, a minister believing that "God helps those who help themselves", is travelling to a new parish in Africa as a punishment for his unorthodox views. Detective Lt. Rogo and wife Linda, a former prostitute, deal with her seasickness. Susan and younger brother Robin are traveling to meet their parents. Robin is interested in how the ship works and frequently visits the engine room. Retired Jewish store owner Manny Rosen and wife Belle are going to Israel to meet their young grandson for the first time. Haberdasher James Martin is a love-shy, health-conscious bachelor. The ship's singer, Nonnie Parry, rehearses for the New Year's Day celebration.