Visible crew/equipment: When Susan tries on a hat while the couple are shopping in the island town, you can see the cameraman in her mirrored shades. (00:06:00)
Visible crew/equipment: When Susan says, "Where's the boat?" they are in the shadow of the camera boat.
Answer: The film was inspired by an incident at St Crispin's Reef, a dive site on the Great Barrier Reef in 1998, when Tom and Eileen Lonergan was left behind by their diving boat after an error was made during the headcount. They were never seen again. More information can be found at http://outside.away.com/outside/features/200310/200310_mysteries_2.html.
Tailkinker