Recurring Guest Characters Guest Co-Host 14 guest appearances Guest Host 13 guest appearances Guest Co-Host 13 guest appearances Lisa Rubin 11 guest appearances Guest Host 11 guest appearances Vaughn Hillyard 10 guest appearances Guest Host 10 guest appearances Guest Host 8 guest appearances Guest Host 7 guest appearances Guest Host 6 guest appearances Julie Tsirkin 6 guest appearances Guest Host 6 guest appearances Kristy Greenberg 5 guest appearances Catherine A. Christian 5 guest appearances Danny Cevallos 5 guest appearances Susanne Craig 4 guest appearances Elise Jordan 4 guest appearances Peter Baker 4 guest appearances Ken Dilanian 4 guest appearances Guest Host 4 guest appearances ⇤ « 1 2 3 4 5 6 7 8 » ⇥