Mary Chieffo

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Mary Chieffo
Mary Chieffo by Gage Skidmore.jpg
Born (1992-11-07) November 7, 1992 (age 26)[1]
EducationJuilliard School (BFA)
Years active1998–present
TelevisionStar Trek: Discovery

Mary Elizabeth Chieffo (born 1992)[3] is an American actress known for portraying the Klingon L'Rell on the television series Star Trek: Discovery.[4]


Chieffo was born and grew up in the neighborhood of Valley Village, Los Angeles in California, only daughter of actors Michael Chieffo and Beth Grant.[2] Her acting debut was at the age of three when she played a sleeping girl in Sandra Bullock's short film Making Sandwiches, in which her mother also had a role, and later acted in various TV shows and short and feature films.[3]

She attended the Drama division of Juilliard School in New York City, earning a Bachelor of Fine Arts degree in 2015.[3] One of her classmates was future Star Trek: Discovery castmate Mary Wiseman.[5] Her first high profile acting position was on Star Trek: Discovery, where she played the recurring character of L'Rell, a Klingon warrior and spy who becomes leader of the Klingon Empire at the end of Season 1.[6]


Film and television
Year Title Role Notes
1998 Making Sandwiches Sleeping baby (Uncredited) Short
2007 Welcome to Paradise voice actress
2008 Natural Disasters Young Beth
2009 Herpes Boy Patch
2009 Jack and Janet Save the Planet Tina Grotunski Television movie
2011 Girls! Girls! Girls!
2012 The Perfect Fit Shop Girl Short
2013 Miss Dial Teenage Girl Stranger
2013 Odyssea Daughter Short
2017 Shelby's Vacation Gillian Short
2017 The Mindy Project Micaela chapter: "Jeremy & Anna's Meryl Streep Costume Party" (season 6 episode 5)
2017–19 Star Trek: Discovery L'Rell[7] recurring character


  1. ^ "Mary Chieffo on Twitter". Retrieved August 28, 2018.
  2. ^ a b "At Home With Beth Grant". HGTV. Retrieved November 4, 2016.
  3. ^ a b c "Mary Chieffo". IMDb. Retrieved March 26, 2018.
  4. ^ "'Star Trek: Discovery's' Mary Chieffo transforms into Klingon L'Rell". USA Today. September 25, 2017.
  5. ^ "Juilliard Students Form G44 Productions, Release First Short Film". Broadway World. New York City. June 5, 2013.
  6. ^ "When Star Trek Makes You a Star: A Tale of Two Classmates Reaching New Heights With Discovery". E! Online. November 10, 2017.
  7. ^ "'Star Trek: Discovery' Casts Klingons Chris Obi, Shazad Latif, Mary Chieffo". Variety. December 12, 2016.

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