Richard Roxburgh: Filming in 3D is difficult
In the film, which is directed by Alister Grierson, Roxburgh stars alongside Rhys Wakefield, Allison Cratchley and Christopher Baker.
Due for release in the UK on February 4th, the film focuses on an underwater diving team, which experiences a life-threatening crisis when on an expedition to one of the least accessible cave systems in the world.
Roxburgh told National Features: "The 3D element made our lives just a little more difficult. 3D was a nightmare. Its camera is famously slow, and because it is new technology, it's fraught with issues."
This meant that the actors were left freezing in their wetsuits as they waited for the camera to be fixed.
He also admitted that filming was "genuinely frightening" as they had to crawl through rapids while white water rushed at them and scale up rock faces as 1,000 litres of water were poured on them.