Christy Martin

Self - Professional Boxer

Mike Tyson

Self - Heavyweight Boxer

Deirdre Gogarty

Self - Professional Boxer

Lisa Holewyne

Self - Two-Time World Champion

Laila Ali

Self - Professional Boxer

Don King

Self - Boxing Promoter (archive footage)

Jack Nicholson

Self (archive footage)

Jay Leno

Self (archive footage)

George Foreman

Self - Professional Boxer (archive footage)