Ming Liu is the narrator and runs Leg 1 of The Run. A former international student who came to Australia from China in his early twenties, Ming is now an IT Manager, husband, and father based in Canberra. An amateur runner, he took up distance running as an adult, drawn to the discipline and community it gave him after building a new career and family life far from home.

Jenny Chen runs Leg 2 of The Run and is the founder of No One Left Behind Run. A former international student now working as a commercial banker, Jenny is in her late thirties and a mother. She runs her leg on a highway shoulder through thick morning fog, later admitting it frightened her more than she expected.

Xuan Liu runs Leg 3 of The Run. A current international student in her twenties, Xuan studies Arts, majoring in Sociology and Chinese Studies, at the Australian National University. An amateur runner, she covers her leg through farmland as the sun sets, reflecting on a country with room enough for anyone.

Wei Zhu runs Leg 4 of The Run. A former international student now in his late fifties, Wei works as a software developer and is one of the group's most experienced long-distance runners, bringing decades of running experience to a team otherwise made up largely of amateurs.

Erique Sin Wei Hew runs Leg 5 of The Run, widely considered the hardest leg of the route for its elevation and terrain. A former international student from Malaysia in his late forties, Erique is a former operations manager, athlete, martial artist, and swimming coach, and one of the group's professional long-distance runners, bringing serious endurance experience to one of the toughest sections of the journey.

Yihaojie “Haojie” Qian runs Leg 6 of The Run. A current international student in his twenties studying at the Australian National University, Haojie is an amateur runner who takes on his leg through the early hours of the morning, as the group's race against the sunset begins to tighten.

Yichen Yan runs Leg 7 of The Run. A current international student in her twenties studying Financial Mathematics at the Australian National University, Yichen pushes through the Southern Highlands on her leg, helping claw back time as the support team recalculates a schedule under pressure.

Henry Yan runs Leg 8 of The Run. A current international student in his twenties studying Medical Sciences at the University of Sydney, Henry is an amateur runner whose leg carries the group into the final stretch toward Sydney, as the plan shifts from a target time to simply finishing.

Jack Li runs Leg 9 of The Run. At nineteen, Jack is the youngest of the ten runners, and a current international student studying Biomedical Engineering at the University of Sydney. An amateur runner, he experienced painful leg cramps during the qualifying half marathon that slowed his pace, but he pushed through. This weighs on him throughout his leg through Southwest Sydney as the finish line draws close.

Bishal Adhikari runs the tenth and final leg of The Run. A former international student from Nepal in his late twenties, Bishal now works in IT technical sales. An amateur runner, he carries something into his leg that he hasn't yet shared, one that becomes his core motivation as the challenge grows far greater than he could have expected.

Huirui Mo is known to the team as Captain Ray, the running trainer and coach for No One Left Behind Run. An immigrant to Australia, Ray brought his experience across various sports, including long-distance running, to training the ten runners, calculating each runner's required pace, managing the schedule, and keeping the group moving toward its sunset deadline.

Robert Johnson is Head of Operations for No One Left Behind Run ACT. An immigrant to Australia, Robert has been instrumental in organising and managing the logistics and safety behind The Run, and delivers one of the film's key addresses, speaking to the wider purpose behind the group's 380-kilometre journey.