Eminem may not be on the def jam label....but in Fight for NY, some fighters there werent in the label either....hell, some were actors and celebs! lets see....just to name a few...Omar Epps, Jerry Trainor, Grey DeLisle, George Lopez, Christopher Judge, Danny Trejo, Carmen Electra, and Kimora Lee Simmons.
(as for George Lopez....i have no idea who he plays as...i saw his name in the list of ppl who participated to be def jam FFNY fighters)