Pom Klementieff (born 3 May 1986) is a French actress. She was trained at the Cours Florent drama school in Paris and has appeared in such films as Loup (2009), Sleepless Night (2011) and Hacker's Game (2015). She plays the role of Mantis in the Marvel Cinematic Universe films Guardians of the Galaxy Vol. 2 (2017), Avengers: Infinity War (2018) and Avengers: Endgame (2019).

Pom Klementieff was born in Quebec City, Canada, to a Korean mother and French-Russian father, who was working there as a consul with the French government. Her grandfather was painter Eugène Klementieff. Her parents chose the name "Pom" because it is similar in pronunciation to the Korean words for both "spring" and "tiger". Klementieff lived in Canada for one year before her family traveled extensively due to her father's job. They lived in Japan and the Ivory Coast, before settling in France.

Klementieff's father died of cancer when she was 5, and her mother had schizophrenia and was unable to care for children, so Klementieff was raised by her paternal uncle and aunt. Her uncle, whom she described as "like [her] second father", died on her 18th birthday, and her older brother committed suicide just seven years later, this time on her 25th birthday. Klementieff briefly attended law school after her uncle's death to appease her aunt but did not find the career path appealing. She also worked as a waitress and saleswoman in France. She started acting at age 19 at the Cours Florent drama school in Paris. A few months into her education, she won a theater competition that awarded her free classes for two years with the school's top teachers.

Klementieff's first professional acting job was the French independent film Après lui (2007), portraying the stepdaughter of the protagonist played by Catherine Deneuve. Filming for her scenes took three days. During one scene, Klementieff was supposed to push someone down a set of stairs but accidentally fell down the stairs herself, and director Gaël Morel kept that shot in the final film. Her first leading role was in Loup (2009), a French film about a tribe of reindeer herders in the Siberian mountains. During filming, Klementieff stayed in a camp, hours from the nearest village, where temperatures dropped well below zero. During filming she befriended nomads who lived there, worked with real wolves, rode reindeer, and swam with a horse in a lake.

Klementieff made her Hollywood debut in Spike Lee's Oldboy (2013), a remake of the South Korean film of the same name. She portrayed Haeng-Bok, the bodyguard of the antagonist played by Sharlto Copley. A fan of the original film, Klementieff heard about the part through Roy Lee, a producer with the remake, and took boxing lessons after learning the role involved martial arts. After showcasing her boxing skills during her audition, Lee asked her to go home and come back wearing a more feminine outfit and make-up, like her character in the film. She contributed some of her own clothes to the character's wardrobe, and trained three hours a day for two months for an on-screen fight with star Josh Brolin. Klementieff came up with the name Haeng-Bok, Korean for "happiness", herself after Lee asked her to research possible names for the character.

Klementieff moved to Los Angeles after Oldboy was filmed and began pursuing more Hollywood auditions. She continued taekwondo after the film, and has a purple belt as of the summer of 2014. Her next acting role was the film Hacker's Game (2015), in which she plays a hacker she compared to Lisbeth Salander from the novel The Girl with the Dragon Tattoo. Klementieff used her boxing skills again in the film, and due to the movie's low budget, she had to do her own make-up and choose her own wardrobe. It was her idea to dye her hair purple for the role, to which the directors first objected but later acquiesced. She joined the Marvel Cinematic Universe in the role of Mantis in Guardians of the Galaxy Vol. 2 (2017) and appeared in the same role in the film Avengers: Infinity War (2018) and Avengers: Endgame (2019).

Pom Klementieff in Mission: Impossible - Dead Reckoning Part One (2023)

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Tom Cruise, Simon Pegg, Hayley Atwell, Pom Klementieff, and Greg Tarzan Davis in Mission: Impossible - The Final Reckoning (2025)

Simon Pegg, Hayley Atwell, Pom Klementieff, and Greg Tarzan Davis in Mission: Impossible - The Final Reckoning (2025)

Pom Klementieff in The Killer's Game (2024)

Chris Pratt, Dave Bautista, Karen Gillan, and Pom Klementieff in Guardians of the Galaxy Vol. 3 (2023)

Dave Bautista and Pom Klementieff in Guardians of the Galaxy Vol. 3 (2023)

Vin Diesel, Bradley Cooper, Sean Gunn, Chris Pratt, Dave Bautista, Karen Gillan, Pom Klementieff, and Austin Freeman in Guardians of the Galaxy Vol. 3 (2023)

Vin Diesel, Bradley Cooper, Sean Gunn, Chris Pratt, Zoe Saldaña, Dave Bautista, Karen Gillan, Pom Klementieff, and Maria Bakalova in Guardians of the Galaxy Vol. 3 (2023)

Kenneth Branagh, Samuel L. Jackson, Don Cheadle, Robert Downey Jr., William Hurt, Gwyneth Paltrow, Josh Brolin, Benicio Del Toro, Vin Diesel, Alan Silvestri, Paul Bettany, Kerry Condon, Bradley Cooper, Keith Splinter Davis, Peter Dinklage, Idris Elba, Chris Evans, Kevin Feige, Jeffrey Ford, Keith Giffen, Sean Gunn, Scarlett Johansson, Ameenah Kaplan, Florence Kasumba, Jack Kirby, Stan Lee, Tim McAdams, Elizabeth Olsen, Chris Pratt, Mark Ruffalo, Anthony Russo, Joe Russo, Zoe Saldaña, Matthew Schmidt, Joe Simon, Benedict Wong, Charles Wood, Trent Opaloch, Terry Notary, Tom Hiddleston, Anthony Mackie, Robert Pralgo, Cobie Smulders, Chris Hemsworth, Dave Bautista, Benedict Cumberbatch, Monique Ganderton, Larry Lieber, Christopher Markus, Stephen McFeely, Don Heck, Carlos Guity, Chadwick Boseman, Aaron Lazar, Sebastian Stan, Danai Gurira, Steve Englehart, Jeremy Sample, Precious Jenkins, Karen Gillan, Dominique Elijah Smith, Tom Vaughan-Lawlor, Tiffany Espensen, Steven Essani, Ross Marquand, Bill Mantlo, Matthew Zuk, Pom Klementieff, Steve Gan, Blair Jasin, Femi Olagoke, Ethan Dizon, Michael Pierino Miller, Taraja Ramsess, Jénel Stevens, Michael Anthony Rogers, Gee Alexander, Janeshia Adams-Ginyard, Letitia Wright, James Sterling, Tom Holland, Jim Starlin, Isabella Amara, Ryan Robertson, Kevin D Wilson, Daniel Graham, Joseph Singletary, Michael James Shaw, David Dman Escobar, Solomon Glave, Kevin Montgomery, Rabon Hutcherson, Carrie Coon, Gayles Martavius, Kirk A. Jenkins, Tanya Wheelock, Andrew S. McMillan, Marcus Lewis, Donny Carrington, Gary Peebles, Floyd Anthony Johns Jr., Tye Claybrook Jr., Khalil' La'Marr Pickett, Marie Mouroum, Jazzy Ellis, Marija Juliette Abney, Phedra Syndelle, Winston Duke, Antjuan Rhames, Jefferson Lewis, Jared Moser, Zola Williams, Dawit Gulilat, Denisha Gillespie, Harrison Osterfield, James Siderits, Brandon M. Shaw, Hamid-Reza Benjamin Thompson, Chris Moore, Ariana Greenblatt, Annie Pisapia, Matthew Christensen, Simeon Freeman, Branden Arnold, Michael David Yuhl, Daniela Gaskie, Jamel D. Chambers, John Gettier, Sergio Briones, Nathaniel Perry, Jacob Batalon, Matthew Excel Simmons, Lucie Carroll, Bobby James, Bobby Hoskins, Jacob Evans, Olaniyan Thurmon, Edward Parker, Cecil M. Henry, Cory Dunson, Bruce Anthony Shepperson, Perla Middleton, Laurel O Wagner, Jachin Myers, Elgin Lee, Demetri Landell, Tony Dupar, Shawn South, Mallory Kidwell, Devin Koehler, Chase Ledgerwood, Jomahl Gildersleve, Frank David Monroe, Granger Summerset II, Austin Rospert, Lady Cardinal, Luke Maher, Laura Miller, Joe Maitland, Dylan Gajai, and Robert Tinsley in Avengers: Infinity War (2018)

Vin Diesel, Bradley Cooper, Chris Pratt, Michael Rooker, Zoe Saldaña, Dave Bautista, Karen Gillan, Pom Klementieff, and Elizabeth Debicki in Guardians of the Galaxy Vol. 2 (2017)

Mission: Impossible - The Final Reckoning

Tom Cruise in Mission: Impossible - The Final Reckoning (2025)

Mission: Impossible - Dead Reckoning Part One

Pom Klementieff

Pom Klementieff

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