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Episode Guide

Sanctum

Frank McGuire (Richard Roxburgh) is a vastly experienced cave diver who is leading the exploration of the world's largest unexplored cave system in Papua New Guinea.

But when a huge cyclone hits the area, he and the team - which includes his teenage son Josh (Rhys Wakefield), the expedition's financier Carl Hurley (Ioan Gruffud) and Hurley's girlfriend Victoria Elaine (Alice Parkinson) - are cut off from their support team up on the surface by torrential influxes of storm water.

Trapped, with no hope of returning safely the way they entered, and carrying precious few supplies to sustain themselves, the cavers are forced to see if they can find another way out of the labyrinth...

(2011) Cert: 15

Sanctum synopsis

Richard Roxburgh, Rhys Wakefield and Ioan Gruffudd star in Alister Grierson's drama about a caving expedition that goes terribly wrong

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Sanctum

Frank McGuire (Richard Roxburgh) is a vastly experienced cave diver who is leading the exploration of the world's largest unexplored cave system in Papua New…

Film 4 1.35am Sat 25 Oct