( Line of Duty ) portrays Fulmer Hamilton, the rig’s communications officer.

( Game of Thrones ) plays the confrontational Lars Hutton. Technical Presentation

( Schitt's Creek ) plays Rose Mason, the ambitious oil company representative and scientist.

The story begins as the crew prepares for a shift change and their long-awaited return to the mainland. Their plans are shattered when a series of tremors rocks the platform and a mysterious, dense fog envelopes the rig, cutting off all communication and helicopter transport. As strange spores emerge from the fog, members of the crew begin to exhibit bizarre behavioral changes. Rose Mason, the resident scientist, soon realizes they have inadvertently unleashed an ancient, microscopic lifeform—the "Ancestor"—that has been dormant under the ocean floor for millennia.

is a gripping supernatural thriller that made waves as the first Amazon Original filmed entirely in Scotland. Released on January 6, 2023, the six-episode series blends isolated horror with environmental science fiction, following a crew stranded on the Kinloch Bravo oil rig in the North Sea. Plot Summary

The series features a powerhouse cast of veteran actors, many of whom are well-known to fans of British drama:

( Catastrophe ) features as Alwyn Evans, a seasoned crew member.