 In addition to the regular cast , voice actor James Burkholder , actress Anne Hathaway and singer and performer Jason Mraz guest starred in the episode . Recurring guest voice actors Lori Alan , Johnny Brennan , Chris Cox , Ralph Garman , writer and showrunner Mark Hentemann , voice actor Phil LaMarr , writer Chris Sheridan , writer Danny Smith , writer Alec Sulkin and writer John Viener also made minor appearances . Recurring guest voice actors Adam West and Patrick Warburton made guest appearances as well . 
