Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.
Richard Roxburgh
as Frank
Ioan Gruffudd
as Carl
Rhys Wakefield
as Josh
Alice Parkinson
as Victoria
Dan Wyllie
as Crazy George
Christopher James Baker
as J.D.
Nicole Downs
as Liz
Allison Cratchley
as Judes
Cramer Cain
as Luko
Andrew Hansen
as Dex
John Garvin
as Jim Sergeant
Sean Dennehy
as Chopper Pilot
