Russian naval pilots risk death to help stop a American Submarine whose defective reactor threatens a nuclear meltdown.
| Actor | Role |
|---|---|
 Boris ShcherbakovVolk | Volk |
 Mihai VolontirSkiba | Skiba |
 Anatoliy KuznetsovGeneral Pavlov | General Pavlov |
 Vytautas TomkusArmstrong | Armstrong |
| VVladimir SedovAdmiral Spirin | Admiral Spirin |
 Omar VolmerAdmiral Rink | Admiral Rink |
 Ivars KalninsAllan | Allan |
 Romualds AncansNot listed | Not listed |
| GGunārs DālmanisAmerican Lieutenant | American Lieutenant |
 Valeri MalyshevLeonid Gudkov | Leonid Gudkov |
 Evgeniya UralovaNadezhda Pavlova | Nadezhda Pavlova |
 Aleksandr PashutinGremyachkin | Gremyachkin |
 Tatyana RonamiMasha Volkova | Masha Volkova |
| BBob Chuprov-TsymbaSecond Pilot | Second Pilot |
 Boris TokarevVladimir Pavlov | Vladimir Pavlov |
 Lyubov ChirkovaNot listed | Not listed |
 Aleksandr InshakovNot listed | Not listed |
 Igor KomarovRear Admiral | Rear Admiral |
| VVitaliy BobrovNot listed | Not listed |
 Tatyana KuznetsovaNot listed | Not listed |
| DDoron LynnykNot listed | Not listed |
| NNadya MalakhovaNot listed | Not listed |
 Valentina MarkovaNot listed | Not listed |
 Mikhail ChigaryovNot listed | Not listed |
| SSergei BalabanovNot listed | Not listed |
 Pauls ButkevicsTyorner | Tyorner |