...t’s entertaining to revisit the classic tropes of submarine movies: claustrophobia, tense silence, sweating faces, cat-and-mouse strategy – all ingeniously played out between people who are supposed to be on the same team.

...a surprisingly engaging exercise in genre filmmaking.

There's much to recommend in this film, including taut pacing, a thriller premise, and an appealing lead character with a powerful set of ears.

Vi bjuds på klaustrofobisk terror, den djupaste av militärisk byråkrati och lite kärlek i denna kompetenta undervattensthriller.