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 Michael Kirk Directing Michael Kirk Writing Mark Fainaru-Wada Writing Steve Fainaru Writing Steve Audette Editing Ben McCoy Crew John E. Low Sound