In the high-stakes world of Hollywood, the most impressive performances often happen behind a mask, under layers of prosthetics, or in the blink-and-you-miss-it blur of a stunt sequence. Devyn Dalton, a 4-foot-6-inch force of nature, has spent her career mastering these invisible arts. With a resume that boasts blockbuster titles like Hypnotic, The Electric State, and the Planet of the Apes franchise, Dalton has long been a secret weapon for directors. However, it is her recent turn as Matt Damon’s stunt double in the box office sensation The Odyssey that has catapulted her into the spotlight for an unlikely reason: her physique.
When Matt Damon took to the HappySadConfused podcast with host Joshua Horowitz to discuss the film, he made a revelation that caught even the host off guard. While discussing the physical demands of playing the titular hero, Damon credited his stunt double for the iconic, muscular arms seen on screen and in the film’s promotional posters. "My double was a woman, a female stunt performer," Damon remarked, before offering the ultimate compliment: "She had the greatest arms I’ve ever seen."
The Genesis of a Performer: From Dance to Motion Capture
To understand the caliber of athlete required to earn such high praise from an Oscar winner, one must look at the foundation of Dalton’s career. Her journey into the stunt world was not a sudden pivot, but a gradual evolution of a lifelong dedication to movement.
"Movement has honestly been part of my life for as long as I can remember," Dalton shares in an exclusive interview with M&F Hers. Growing up as a dancer and performer, she cultivated an innate understanding of spatial awareness and physical discipline from a young age. As she transitioned into the professional sphere, her relationship with fitness shifted from aesthetic performance to functional athleticism.
As her resume expanded, so did her versatility. Dalton became a pioneer in the niche, demanding field of motion capture. For a performer of her stature, this provided a unique advantage. "Stunt work became a natural extension," she explains. "I love that it combines so many things I am passionate about: acting, movement, athleticism, storytelling, and problem-solving. At 4’6”, I can double as children, creatures, and characters of different scales, but I’m also an adult with years of physical training and experience. That combination has allowed me to do some pretty unusual jobs."
Chronology of a Career: The Evolution of a Stunt Professional
Dalton’s rise to prominence is marked by a series of transformative roles that pushed the boundaries of physical acting.
- 2011: The Apes Era Begins: Dalton made history as the first woman to portray Cornelia in Rise of the Planet of the Apes. Her work went beyond simple stunt coordination; she was instrumental in the physical storytelling of the franchise, also providing motion capture for the character of Caesar as a toddler.
- 2017: Returning to the Franchise: Her reputation for excellence led to her return for War for the Planet of the Apes, where she portrayed a young version of Cornelius.
- The Mid-Career Transition: Following the Apes films, Dalton moved into complex live-action stunt work, leveraging her motion-capture background to inform her stunt performances in films like Hypnotic and The Electric State.
- 2024/2025: The Odyssey and Global Recognition: Her role as Matt Damon’s double solidified her status as one of the industry’s most reliable and physically impressive stunt professionals.
Reflecting on her time in the Planet of the Apes films, Dalton notes that the experience was "incredibly formative." She recalls the grueling nature of the work: "You’re building a character physically from the ground up and studying posture, weight distribution, and behavior. It’s incredibly physical. You’re spending long periods moving in ways that aren’t natural to a human body—often down on all fours, repeating movements, and maintaining that physicality take after take. But I absolutely loved it. A fun fact is that the vocal sounds of the ape characters I played are also mine. It turns out I can make some pretty great chimpanzee noises!"
The Viral Moment: Damon’s Accolade and Industry Shifts
The praise from Matt Damon was not something Dalton anticipated. She recalls waking up in New Zealand to a notification-heavy phone, realizing that her arms had become a topic of conversation in the global film community.
"I woke up in New Zealand to my phone blowing up, because Matt Damon had apparently been talking about my arms," Dalton laughs. Beyond the humor of the situation, she appreciates the subversion of industry norms. "Historically, we’ve seen men doubling women quite a lot in the stunt industry, so I love the fact that we’re now seeing women getting opportunities to double men too."
She characterizes her experience working with Damon as remarkably positive, noting that he treated her with a level of respect that matched his professional stature. "He was down to earth and respectful," she adds. "He carries himself in a way that puts a lot of attention into the details of what he’s doing."
The Science of Strength: Dalton’s Training Philosophy
For those looking to replicate the physique that garnered such high-profile praise, Dalton emphasizes that there is no shortcut—only consistency. Her training philosophy is built on the pillars of calisthenics, functional movement, and mindful recovery.
The "Greatest Arms" Routine:
- Bodyweight Foundation: Dalton is a staunch advocate for pull-ups, chin-ups, dips, and push-ups. She cites these as the primary architects of her upper-body definition. "I love body weight training because you can do it almost anywhere, anytime," she says.
- Dynamic Cardio: Boxing serves as her primary tool for both endurance and arm definition. Beyond the physical benefits, it sharpens her coordination and power.
- Cable Work: When in the gym, she focuses on cable machines to maintain constant muscle tension. By working through different angles, she ensures that no muscle group is left underdeveloped.
Dalton’s advice for those seeking similar results is measured and sustainable: "For someone wanting to build upper-body strength and definition, I would start with two upper-body sessions per week, with at least a couple of days between them. You don’t have to destroy yourself in the gym every day to make progress. Consistency, progressive overload, good nutrition, and recovery are what make the difference."
Empowering Beyond the Screen: The Deeper Implications
Perhaps the most significant aspect of Devyn Dalton’s journey is the motivation that drives her to remain in peak physical condition. Her dedication to fitness is not merely for the sake of Hollywood roles, but a deeply personal endeavor rooted in resilience and survival.
"I lived through extreme physical and mental domestic violence in my twenties," Dalton reveals with vulnerability. "Finding martial arts gave me a sense of strength, confidence, and self-defense that I believe every girl and woman deserves to have."
This perspective has changed how she views her body. It is no longer just a tool for stunts or a canvas for special effects; it is a fortress. "My only regret is that I didn’t start younger," she admits. "Being able to physically defend yourself is such a crucial skill for women. It isn’t about living in fear; it’s about feeling capable, aware, and empowered in your own body."
Conclusion: The New Standard of Stunt Work
Devyn Dalton’s trajectory serves as a testament to the changing tides in the entertainment industry. By dismantling the barriers of gender-specific stunt roles and proving that physical prowess knows no stature, she has carved out a unique space for herself.
Whether she is playing a chimpanzee, doubling a Hollywood A-lister, or advocating for women’s self-defense, Dalton remains grounded in her identity as a storyteller. She views her career not as a collection of roles, but as a continuous performance that utilizes every facet of her physical and mental capability.
As she continues to work on upcoming projects, one thing is certain: Devyn Dalton is no longer just the "hidden" talent behind the scenes. She is a pioneer, a role model for strength, and, according to one of the most famous actors in the world, the owner of the most impressive arms in the business.
To stay updated on her upcoming projects and fitness insights, fans can follow Devyn Dalton on Instagram.
