American Grit contestants will be mentored by "The Cadre," made up of military members who, along with Cena, will push their civilian charges throughout the competition. The Cadre consists of: Navy Seal trainer, Rorke Denver; Purple Heart recipient, U.S. Army veteran Noah Galloway; Veteran U.S. Marine Gunnery Sergeant, Tawanda “Tee” Hanible; and U.S. Army Ranger sniper, Nick “The Reaper” Irving.

• John Cena