Roswell Wiki
Roswell Wiki

Amber Midthunder is an American actress who portrays Liz Ortecho's older sister Rosa Ortecho on The CW science fiction series Roswell, New Mexico.

Midthunder's involvement in the series was first hinted on March 10, 2018 when a picture of Polaroids was released on Instagram as part of the early marketing for the series; Midthunder was pictured and tagged in the photo.[1][2][3] By June 2018, Midthunder had been added to the series's IMDB page as Rosa Ortecho.[4]

Two days after the first season finale aired, it was announced that Midthunder was promoted to a series regular for season 2.[5][6]


Midthunder's father, David Midthunder, is an actor and her mother, Angelique Midthunder, is a casting director. Amber is Native American on her father's side, and both are enrolled members of the Fort Peck Sioux Tribe. Amber's mother is adopted, so Amber is of unknown mixed ancestry.

Midthunder's acting career began at the age of four with a small part in 2001. She is best known for her recurring role as Kerry Loudermilk on FX's Marvel TV series Legion beginning in 2017.


  • Amber's mother was one of her stunt doubles for Roswell, New Mexico.[7]



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  1. Showrunner Carina Adly MacKenzie (@cadlymack) posted a picture of polaroids March 10, 2018.
  2. Actress Lily Cowles (@lilycowles) posted a picture of polaroids March 10, 2018.
  3. Actor Nathan Dean Parsons (@nathandeanparsons) also posted a picture of polaroids March 10, 2018, although he didn't tag the actors in his.
  4. “Roswell, NM” – Amber Midthunder Plays Rosa Ortecho. June 9, 2018.
  5. TV Line: Roswell Promotes Amber Midthunder to Series Regular for Season 2. April 25, 2019.
  6. Deadline: ‘Roswell, New Mexico’: Amber Midthunder Upped To Series Regular for Season 2 Of CW Drama Series. April 25, 2019.
  7. Instagram highlights, second slide: fun fact: my mom was my stunt double. Life is neat.