
Mary Chieffo
ActingAbout Mary Chieffo
Mary Elizabeth Chieffo is an American actress known for portraying the Klingon L'Rell on the television series Star Trek: Discovery. 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. 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. As a child, she attended Shakespeare theater camp at the Theatricum Botanicum, where she performed in a variety of shows including Antony and Cleopatra. She attended the Drama division of Juilliard School in New York City, earning a Bachelor of Fine Arts degree in 2015. One of her classmates was future Star Trek: Discovery castmate Mary Wiseman. 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. This page is based on a Wikipedia article written by contributors. Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Mary Chieffo Movies & Career Overview
The filmography of Mary Chieffo reflects a career marked by diverse experimentation. Across 7 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.
Dominant Genre
A large portion of Mary Chieffo's work falls within the Comedy genre, where audiences tend to respond most strongly to their on-screen presence.
Success Ratio
Approximately 0% of Mary Chieffo's films maintain ratings above 6.5, indicating a consistent level of audience approval.
One of the most highly rated entries in their career remains Miss Dial, which stands out as a key performance.
Best Mary Chieffo Movies Ranked
Must-watch hits from Mary Chieffo's career based on audience ratings.
Full Filmography
Every movie Mary Chieffo has appeared in, with audience ratings and verdicts.
| Year | Movie | Character | Success | More |
|---|---|---|---|---|
| 2024 | To the Journey: Looking Back at Star Trek: Voyager | Self | Flop | Similar → |
| 2022 | Every Morning | - | Flop | Similar → |
| 2017 | Shelby's Vacation | Gillian | Flop | Similar → |
| 2014 | Odyssea | Daughter | Flop | Similar → |
| 2013 | Miss Dial | Teenage Girl Stranger | Flop | Similar → |
| 2009 | Herpes Boy | Patch | Flop | Similar → |
| N/A | Operation Othello | Ensign Iago | Flop | Similar → |
Mary Chieffo - Frequently Asked Questions
What is the best movie of Mary Chieffo?
According to audience ratings, the best movie starring Mary Chieffo is "Miss Dial" with a rating of 4.9/10.
How many movies has Mary Chieffo acted in?
Mary Chieffo has been featured in at least 7 major films throughout their career.
What are some other popular movies by Mary Chieffo?
Other notable films include "Every Morning", "Operation Othello", and "Odyssea".




