크레딧 출연 Will Lyman Himself - Narrator Harry Carson Himself Steve Fainaru Himself Mikey Collins Himself - University of Pittsburgh Medical Center Bennett Omalu Himself - Medical Examiner Ann McKee Herself - Neuropathologist, BU CTE Center Stan Savran Himself - Pittsburgh Sports Reporter Julian Bailes Himself - Team Physician, Steelers, 1988-97 Jim Otto Himself Mike Webster Himself (archive footage) Steve Young Self Troy Aikman Self (archive footage) Leigh Steinberg Self Christopher Nowinski Self 스텝 Ben McCoy Crew Steve Fainaru Writing Steve Audette Editing Michael Kirk Writing Michael Kirk Directing John E. Low Sound Mark Fainaru-Wada Writing