Civilian submariners

James Francis Cameron is a Canadian filmmaker and deep-sea explorer. His films combine cutting-edge film technology with classical filmmaking techniques and have grossed over $10 billion worldwide, making him the second-highest-grossing film director of all time. A major figure in the post-New Hollywood era, Cameron has received numerous accolades, including three Academy Awards, two Primetime Emmy Awards, and four Golden Globe Awards, as well as nominations for six British Academy Film Awards.

Danish convicted murderer, entrepreneur and self-proclaimed engineer

American businessman (1962–2023)

British businessman, astronaut, and pilot

submersible pilot; former head of France's Deep Submersible Program

American investor, explorer and retired naval officer