 Recurring guest stars appearing in the episode include Principal Figgins ( <unk> Theba ) , Coach <unk> ( Jones ) , cheerleader <unk> Jackson ( Lauren Potter ) , student Sugar <unk> ( <unk> ) and Menzel as Shelby . Second season series regular Mike O 'Malley , who plays Burt Hummel and also appears in the episode , is listed in the Fox press release as a guest star for this episode and receives a like credit in the episode itself . 
