Pom Alexandra Klementieff (.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}French: [pɔm klemɑ̃tjɛf]; born 3 May 1986) is a French actress. She is best known for playing Mantis in the Marvel Cinematic Universe (MCU) since 2017 and an assassin in Mission: Impossible – Dead Reckoning Part One (2023).