And finally, Ash is the one with the sinister purpose and you start to suspect that he's up to no good at some point.

When one of the eggs is disturbed, the crew realizes that they are not alone on the spaceship and they must deal with the consequences.

The computer screen displaying Nostromo's orbit around the planet contains a hidden credit to Dr.

And thanks to Weavers acting talents, she can really dish out one hell of a character.

The rest of the supporting cast are nothing short of spectacular, Parker and Brett are the selfish, sarcastic men who only want to make a profit.

And through most of the film, you can feel the tension that Ripley and Parker have.

Lambert, who one of my favorites from here is the second woman who happens to be the opposite of Ripley, a total coward.

And then when they land on the planet and it turns out that something terrifying is in store for them, when a hostile organism attaches itself to one of the crew members.

And later on, it becomes clear that the crew member was being impregnated and then dies a horrible, violent death from a deadly breed of an other-worldly life-form.

And now the rest of the crew must fight off the creature.

As other classic films should always have, "Alien" does great on the characters.

57 years later, Ellen Ripley is rescued by a deep salvage team during her hypersleep.