An underwater mining crew about to return to surface discovers a sunken Russian ship, the Leviathan. However, said ship is supposed to be currently operating in the Baltic Sea and suspicion arises. The captain left a video log saying that the entire crew has fallen to an unknown disease, but the log cuts short as someone enters the captains's quarters. A crewmember referred to as Sixpack keeps a bottle of liquor found in the ship but it makes him sick the next day, and everything goes horribly wrong.
Leviathan stole everything from Alien and The Thing and never tries to hide it. Special effects were done by Stan Winston, and the music was composed by Jerry Goldsmith, which only seems appropriate all things considered (see Trivia for an idea of what he thought of the movie).
Leviathan was released in 1989, the same year as (and in the US some months before) The Abyss, and was promptly forgotten. B-movies starring Peter Weller and Amanda Pays seem to have this as a recurring theme.
Not to be confused with the 2014 movie of the same name made by Andrey Zvyagintsev.
- Action Survivor: Both Williams and Beck by the end. Not trained combatants, but still able to fight the creature off.
- Apocalyptic Log: The video tapes the crew finds on the sunken Russian vessel turn into this as they watch them. The last entry is of a very nervous commanding officer saying something has gone wrong... and the door to his quarters slowly opening behind him...
- Artistic License Biology: Apparently trying to give people gills will turn them into something out of The Thing (1982), complete with the ability to infect and absorb any lifeform they come in contact with.
- Assurance Backfire: When the crew contacts the surface after they see that Doc Thompson ejected the escape pods:Martin: I know you've been through hell...
Jones: "Been through"? Bitch, we're still here!!.
- Bio-Augmentation: This is what was attempted with the Leviathan crew. It did work but definitely not in the way that it was supposed to.
- Black Dude Dies First: An extreme and cruel inversion. The very last death, about 100 seconds before the credits roll, after the survivors reach the surface and are already being rescued by a helicopter crew is Jones.
- Blatant Lies: The Corrupt Corporate Executive says she can't evacuate them because of a hurricane on the surface. When they finally escape to the ocean surface, there's nothing but blue skies. Worse yet, she had the meteorological files for that day and a few days afterwards locked down so the crew can't find out, but she does nothing to prevent them from checking the faked news broadcast that says they died in an "accident" prepared in advance by the press department.
- Body Horror: The mutation takes over the host body and makes it a creepy, eel-like mess of tentacles and teeth.
- Body of Bodies: The dead/infected crewmembers eventually join together to form a mess that doesn't really look like anything.
- Chainsaw Good: The cast arm themselves with saw-like mining tools when the monster attacks grow in intensity.
- Corrupt Corporate Executive: Martin sends the crew to the ship, fully aware of what will happen. When the remaining crew eventually contacts her begging for help, she tells them that rescue can't arrive because of a hurricane (there is none — she even orders the meteorological reports of the next few days locked down so they won't find out) and goes on to order the press department to write an eulogy article for the crew's "accidental" deaths (which they do manage to access).
- Developing Doomed Characters: For forty minutes.
- Driven to Suicide: Bowman after seeing Sixpack's corpse and realizing what was happening to her.
- Dull Surprise:
- Damn it Beck, if the base is falling apart and monsters are stalking through it, it means you should EMOTE SOME, PERHAPS!
- As if Martin couldn't be a worse Corrupt Corporate Executive, she barely emotes or changes the tone of her voice from what she probably believes is a pleasant one. She comes off with a pretty hefty case of the (In-Universe) Uncanny Valley as a result.
- Dwindling Party: As soon as Sixpack drinks the tainted vodka, it's all downhill from there.
- Eldritch Ocean Abyss: The film is about an underwater mining crew 15,000 feet below the surface that slowly dwindles due to attacks by a mutant creature.
- Everything's Even Worse with Sharks: When the crew finally manages to get to the surface, they are briefly attacked by sharks.
- Fan Disservice: We get Bowman in nothing but a towel but she's infected with an illness that has scales growing on her neck and her hair falling out. Then later on we get her naked in the shower after she's slit her wrists.
- Fanservice: The movie manages to find an excuse to get Amanda Pays down to her underwear.
- Fate Worse than Death: The crew members who get infected throughout the movie are shown to retain their consciousness far into the physical transformation, even past merging with each other.
- Fold Spindle Mutilation: Referenced in a conversation about a diver who got crushed into his own helmet when his deep-diving suit developed a leak in the toe.
- From a Single Cell: A piece of tentacle gets severed when the creature is thrown out the airlock. It mutates into a more deadly form that attacks a crew member. Cobb is also infected when the creature scratches him before going out the airlock.
- Gone Horribly Wrong: What happened with the eponymous ship Leviathan and subsequently to the mining station. It's almost a textbook example.
- I'm Cold... So Cold...: Cobb right before the inevitable.
- LEGO Genetics: The Soviet Superscience experiment Gone Horribly Wrong was a serum to recombine people's DNA and give them underwater breathing abilities... which also somehow manages to turn them into a copy of The Thing.
- Lock and Load Montage: With mining tools, which (because of the Ocean Punk setting) include such things as a freaking flamethrower.
- The Needs of the Many: As the situation gets worse, Doc ejects the station's escape pods to keep the surface world from being exposed to the infection.
- Ocean Punk: The mining station has definitely seen better days and mining 15,000 feet beneath the ocean's surface is pretty dangerous business.
- Poor Communication Kills: After seeing what's happened to the first two victims, Doc and Beck decide to have the corpses thrown out the airlock, only telling the crew that they died of infection. So when the bodybags start twitching, the crew naturally want to open them thinking someone is still alive.
- Pre-Mortem One-Liner: Peter Weller gets a great one before putting a grenade in Leviathan's mouth, blowing it up.Steven Beck: SAY "AHH," MOTHERFUCKER!
- Properly Paranoid: Doc is certain that Martin knew what would happen by sending the crew to that ship.
- Quarantine with Extreme Prejudice: Implied that it happened to the Russians when Doc points out that the Leviathan was sunk with a torpedo.
- Recycled In SPACE: Leviathan is basically The Thing set in an underwater mining base, with elements of Alien as well (particularly the eponymous ship, Leviathan). So The Thing from Space Recycled Underwater!
- Sex Sells: The female character on the poster (Williams) doesn't really rise from the crushing depths in a bathing suit while her male colleagues wear JIM suits... OK, most of the way. Beck and Jones keep their regular clothes while at some point before getting into the JIM suit Williams changed to a legless diving suit.
- Shower of Angst: Bowman kills herself while in the shower.
- Soviet Superscience: The Leviathan was a Russian vessel, and the testing was done by the Soviets.
- Super Strength:
- After the first attack, a crewman shuts the infected crewman behind a pressure door and runs to get a weapon. When he returns there's a massive hole ripped in the door.
- The survivors go to don a JIM suit and find a Leviathan staring at them from behind it. The Leviathan promptly rips apart the suit like tissue paper to get at them.
- Tested on Humans: The Soviet scientists the worked on the Bio-Augmentation project in the "Leviathan" just gave the serum to the crew members by slipping it into their vodka, with no apparent concern about such things as seeking volunteers or keeping a control group.
- Thrown Out the Airlock: The underwater version of this is attempted twice in the film and it still backfires both times.
- Too Dumb to Live: Sixpack and Bowman drink liquor found on a sunken ship where the crew had mysteriously died from a contagious illness.
- Town Girls: The three females in the movie. No-nonsense Olympic runner Williams is the butch, sexy secretary Bowman is the femme, and Corrupt Corporate Executive Martin is the neither.
- Two Girls to a Team: The crew of the mining station is two women to six men.
- Underwater Base: The mining station.
- Vasquez Always Dies: Inverted. The more feminine Bowman dies, while the tomboyish Williams lives.
- The Virus: The unintended result of the Leviathan experiment.
- What Could Possibly Go Wrong?: Secretly feeding a ship crew chemicals that will cause mutations doesn't sound like a good idea in any context. Seriously, how were the Soviet scientists intending to monitor the results?
- Wham Line: As Dr. Thompson analyzes the results of Sixpack's skin test with the computer and asks it for answers to the "unknown organism."Computer: No idea.
Thompson: Goddamn it, take a guess.
Computer: [processing] Genetic alteration?
- Would Hit a Girl: And does — in the last shot of the film before the credits, Beck lays out Corrupt Corporate Executive Martin, who's female, with one punch when she asks how he's feeling. ("Better," he answers as she hits the ground. "A lot better.")
- Zombie Infectee: Cobb is a strange subversion. He's clearly infected and everyone is much aware of this but he keeps fighting the monster with the other remaining survivors until his transformation finally kicks in with full force.