कलाकार व पडद्यामागील कलाकार
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विल स्मिथDr. Bennet Omalu - ॲलेक बाल्डविनDr. Julian Bailes
- Albert BrooksDr. Cyril Wecht
- Gugu Mbatha-RawPrema Mutiso
- David MorseMike Webster
- Paul ReiserDr. Elliot Pellman
- Arliss HowardDr. Joseph Maroon
- Luke WilsonRoger Goodell
- Adewale Akinnuoye-AgbajeDave Duerson
- Bitsie TullochKeana Strzelczyk
- Matt WilligJustin Strzelczyk
- Richard T JonesAndre Waters
- Sam NeillKai
- Mike O'MalleyDaniel Sullivan
- Dan ZiskiePaul Tagliabue
- Stephen MoyerDr. Ron Hamilton
- Peter Landesmanदिग्दर्शक
- Ridley Scottनिर्माता
- Giannina Facioनिर्माता
- David Wolthoffनिर्माता
- Larry Shumanनिर्माता
- Elizabeth Cantillonनिर्माता
- Michael Schaeferनिर्माता
- David Crockettनिर्माता
- Ben Waisbrenनिर्माता
- Bruce Bermanनिर्माता
- Greg Basserनिर्माता
- Peter Landesmanलेखक