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"Please... K- Kill me!"
Mary (from Aliens)
Biographical information

Flag of United Americas American

Physical description




Hair color


Eye color



Hadley's Hope

Notable Facts

Was discovered alive by USCM squad.


Deceased[1] as of July 27, 2179[2]

Portrayed by

Barbara Coles


Mary[citation needed] was one of the Hadley's Hope colonists on Acheron. She was one of the last colonists to be taken by the Xenomorphs, and was actually alive when the Colonial Marines discovered her, but she perished soon afterwards when the Chestburster inside her hatched.


Mary's death

Mary's Chestburster emerging from her chest.

Mary was one of the colonists taken to the Hive inside the Hadley's Hope Atmosphere Processing Plant, and the only one still alive when the Colonial Marines under Lieutenant Gorman's command arrived. She was tended to by Corporal Dietrich, despite pleading with the Hospital Corpsman to kill her; the Marines had thus far had no experience with the Xenomorph species and were unaware of the fate that awaited Mary, otherwise they may have complied. She began convulsing almost immediately and was killed moments later when the Chestburster insider her erupted from her chest. Sergeant Apone and Corporal Dietrich immediately torched the creature, and Mary's body, with M240 Incinerator Units.

Behind the scenesEdit

To create the effect of the Chestburster bursting out of Mary's body, the actress wore a prosthetic chest piece made of foam through which the Chestburster model emerged. A replica dummy of actress Barbara Coles was then used for shots where the Marines torched her body.[3]


  • The character is not named in the film and is listed in the credits as "Cocooned woman".
  • Mary is the only Hadley's Hope colonist to be killed on-screen (in the films).




  1. James Cameron (writer and director). Aliens (1986), 20th Century Fox [DVD].
  2. Chris Roberson (writer), Paul Lee (illustrator). Aliens: Field Report (2014), Dark Horse Comics.
  3. James Cameron, Gale Anne Hurd, Gordon Carroll, David Giler, Walter Hill, Stan Winston, Simon AthertonSuperior Firepower: Making Aliens (2003), 20th Century Fox [DVD].

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