该片改编自真实海底灾难故事，讲述了2012年一名深海潜水员在试图修复北海天然气管道时被困在海底，却又没有氧气支撑。在缺氧深海环境里，救援团队奋力抢救队员的故事。
Woody Harrelson
Duncan Allcock
Simu Liu
David Yuasa
Finn Cole
Chris Lemons
Cliff Curtis
Andre Jenson (Captain)
Mark Bonnar
Craig (Dive Supervisor)
MyAnna Buring
Hanna (1st Officer)
Josef Altin
DPO
Bobby Rainsbury
Morag
Connor Reed
Andrew (Rov Pilot)
Nick Biadon
Stuart (B Team)
Riz Khan
Kirk (B Team)
Aldo Silvio
Brad (B Team)
Kevin Naudi
Alex (C Team)
Claudiu Baciu
Paul (C Team)
