Christy Martin broke boundaries and noses as she rose in the boxing world, but her public persona belied personal demons, abuse and a threat on her life.
| Actor | Role |
|---|---|
 Christy MartinSelf - Professional Boxer | Self - Professional Boxer |
 Mike TysonSelf - Heavyweight Boxer | Self - Heavyweight Boxer |
| DDeirdre GogartySelf - Professional Boxer | Self - Professional Boxer |
| LLisa HolewyneSelf - Two-Time World Champion | Self - Two-Time World Champion |
 Laila AliSelf - Professional Boxer | Self - Professional Boxer |
 Don KingSelf - Boxing Promoter (archive footage) | Self - Boxing Promoter (archive footage) |
 Jack NicholsonSelf (archive footage) | Self (archive footage) |
 Jay LenoSelf (archive footage) | Self (archive footage) |
 George ForemanSelf - Professional Boxer (archive footage) | Self - Professional Boxer (archive footage) |
 Gloria AllredSelf - Women's Rights Attorney (archive footage) | Self - Women's Rights Attorney (archive footage) |
 Muhammad AliSelf - Professional Boxer (archive footage) | Self - Professional Boxer (archive footage) |