Kadro (16)
Jim AbrahamsSelf / Father / Founder, Charlie Foundation / Filmmaker
Vinnie TortorichSelf / Narrator / Producer / Trainer / Author
Bret ScherSelf / Cardiologist
Gary TaubesSelf / Journalist / AuthorDave FeldmanSelf / Software Engineer
Eric WestmanSelf / Internal Medicine Doctor
Andreas EenfeldtSelf / Physician
Drew PinskySelf / Physician
Georgia EdeSelf / Psychiatrist
Nina TeicholzSelf / JournalistVilhjalmur StefanssonSelf (Archival footage) / ExplorerIvor CumminsSelf / Biochemical EngineerAncel KeysSelf (Archival footage)
Jeffry GerberSelf / PhysicianGeorge McGovernSelf (Archival footage) / PoliticianGary FetkeSelf / Orthopaedic Surgeon