Christy Martin as Self - Professional Boxer

Mike Tyson as Self - Heavyweight Boxer

Deirdre Gogarty as Self - Professional Boxer

Lisa Holewyne as Self - Two-Time World Champion

Laila Ali as Self - Professional Boxer

Don King as Self - Boxing Promoter (archive footage)

Jack Nicholson as Self (archive footage)

Jay Leno as Self (archive footage)

George Foreman as Self - Professional Boxer (archive footage)

Gloria Allred as Self - Women's Rights Attorney (archive footage)

Muhammad Ali as Self - Professional Boxer (archive footage)