In “American Grit,” participants will be guided by “The Cadre,” a team of military professionals who, together with Cena, will challenge the civilian competitors during the show. The Cadre includes Navy Seal instructor Rorke Denver, U.S. Army veteran and Purple Heart honoree Noah Galloway, experienced U.S. Marine Gunnery Sergeant Tawanda “Tee” Hanible, and U.S. Army Ranger sniper Nick “The Reaper” Irving.