The scene where Alex rescues Drew while the ship is being flooded was filmed by camera operators wearing wet suits inside a sound stage tank, which was constructed with plywood and a hydraulic lift to gave the effect that the water level was rising.
The scene where Alex rescues Drew while the ship is being flooded was filmed by camera operators wearing wet suits inside a tank at Sony Pictures Studios. The set inside the tank was constructed with plywood and included a hydraulic lift that gave the effect that the water level was rising.