Recurring Guest Characters Vaughn Hillyard 6 guest appearances Guest Host 5 guest appearances Lisa Rubin 4 guest appearances Richard Engel 3 guest appearances Guest Host 3 guest appearances David M. Drucker 2 guest appearances Shaq Brewster 2 guest appearances Andrew Weissmann 2 guest appearances Ali Vitali 2 guest appearances Aaron Gilchrist 2 guest appearances Guest Host 2 guest appearances Guest Host 1 guest appearances Guest Host 1 guest appearances Peter Baker 1 guest appearances Bill Browder 1 guest appearances Mark McKinnon 1 guest appearances David Noriega 1 guest appearances Raf Sanchez 1 guest appearances Sahil Kapur 1 guest appearances Melissa Redmon 1 guest appearances ⇤ « 1 2 3 » ⇥