Noah Centineo Unveils Intense New Physique, Teases ‘John Rambo’ Training

LOS ANGELES, Sept. 20, 2025 - Actor Noah Centineo revealed a striking new workout update on social media today, showcasing his heavily muscled frame as he gears up to portray a young John Rambo in the upcoming prequel film.

In an Instagram post, Centineo-best known for his turn as newbie CIA lawyer Owen Hendricks in Netflix’s The Recruit-flexed bulging biceps and a chiseled six-pack while training aerial martial-arts moves, signaling the physical demands of embodying the iconic Vietnam War hero. The post, filmed in an industrial gym setting, rapidly amassed fans’ praise and speculation about his rigorous preparation.

Centineo’s transformation underscores his shift from rom-com lead to action star, following blockbuster roles in Black Adam and Warfare. The actor captioned the clip, “This is Rambo training, part one,” hinting at behind-the-scenes glimpses to come.

Nut Graf

Centineo’s fitness reveal spotlights the actor’s dedication to authenticity in bringing John Rambo’s early years to life. As Hollywood watches his evolution, the film’s producers emphasize that his physical commitment mirrors the character’s legendary toughness.

On-Set Preparations

  • Under the direction of Jalmari Helander, principal photography for John Rambo is slated to begin late 2026 in Thailand, with Noah Centineo one of cinema’s most unlikely action-hero prospects.
  • Industry insiders say Centineo has teamed with veteran stunt coordinators to master guerrilla-style combat and jungle survival tactics.
  • Lionsgate is in advanced talks to distribute the film, which chronicles Rambo’s transformation from Special Forces soldier to lone warrior.

Career Evolution

Since rising to fame as Peter Kavinsky in Netflix’s To All the Boys franchise, Centineo has deliberately pursued roles demanding physical rigor and dramatic range. His Instagram fitness dispatch today reaffirms that trajectory, positioning him among Hollywood’s emerging action talents.

With fans already rallying behind his Rambo journey, Centineo’s latest reveal cements anticipation for what may become his career-defining turn.