On screen
Cast
14 credited performers
Will Lyman
Himself - Narrator
Artwork unavailable
Harry Carson
Himself
Artwork unavailable
Steve Fainaru
Himself
Mikey Collins
Himself - University of Pittsburgh Medical Center
Artwork unavailable
Bennett Omalu
Himself - Medical Examiner
Artwork unavailable
Ann McKee
Herself - Neuropathologist, BU CTE Center
Stan Savran
Himself - Pittsburgh Sports Reporter
Artwork unavailable
Julian Bailes
Himself - Team Physician, Steelers, 1988-97
Artwork unavailable
Jim Otto
Himself
Artwork unavailable
Mike Webster
Himself (archive footage)
Steve Young
Self
Troy Aikman
Self (archive footage)
Artwork unavailable
Leigh Steinberg
Self
Artwork unavailable
Christopher Nowinski
Self