Peter Landesman Director, Screenwriter Will Smith Dr. Bennet Omalu Actor Alec Baldwin Dr. Julian Bailes Actor Gugu Mbatha-Raw Prema Mutiso Actor Arliss Howard Dr. Joseph Maroon Actor Paul Reiser Dr. Elliot Pellman Actor Luke Wilson Roger Goodell Actor Adewale Akinnuoye-Agbaje Dave Duerson Actor David Morse Mike Webster Actor Matthew Willig Justin Strzelczyk Actor Albert Brooks Dr. Cyril Wecht Actor Richard T. Jones Andre Waters Actor Ridley Scott Producer Giannina Facio Producer David Wolthoff Producer Larry Shuman Producer Elizabeth Cantillon Producer Michael Schaefer Executive Producer David Crockett Executive Producer Ben Waisbren Executive Producer Bruce Berman Executive Producer Greg Basser Executive Producer Salvatore Totino Cinematographer William Goldenberg Film Editing James Newton Howard Original Music David Crank Production Design Tom Frohling Art Director Dayna Pink Costume Design Lindsay Graham Casting Mary Vernieu Casting