|Franchise||E.T. The Extra-Terrestrial|
|Vehicles and/or Gadgets||None|
Mary is the single mother of Michael, Elliott, and Gertie who spends most her time oblivious to E.T.'s existence in the household. Prior to the start of the film, she and her husband (not identified) filed for divorce and he is living with his girlfriend, Sally, in Mexico. Like Gertie, she's initially scared of E.T, but she gets over that fear when she sees just how much her kids, especially Elliott, care about the alien.
- In the film, she is portrayed by Dee Wallace. It is currently unknown who voices Mary.