 In addition to the regular cast , the episode also guest starred actress Drew Barrymore , voice actor H. Jon Benjamin , actor David Boreanaz , actress <unk> Scott Collins , actress Carrie Fisher , actor Ron MacFarlane , father of series creator and executive producer Seth MacFarlane , actor Bruce McGill , voice actor Will Ryan , voice actress Tara Strong and actress <unk> <unk> . Recurring guest voice actors John G. <unk> , actor Chris Cox , actor Ralph Garman , writer Chris Sheridan , writer Danny Smith , writer Alec <unk> , actress Jennifer <unk> and writer John <unk> also made minor appearances . 
