Comedy Central announced the additions to the bill Thursday. Previously announced roasters include Anthony Jeselnik, Steve-O, Jeffrey Ross and Mike Tyson.
"Family Guy" creator Seth MacFarlane is to serve as "roastmaster" at the event, which will tape at Sony Studios in Los Angeles Saturday.
The program will air Sept. 19 on the cable television network.
McPhee, Cokas 'working on their marriage' after affair
Duggar sisters unveil Christian dating rules in new book