Recurring Guest Characters Dr. Sanjay Gupta 86 guest appearances Dr. Jonathan Reiner 77 guest appearances Kaitlan Collins 62 guest appearances Nick Watt 25 guest appearances John King 15 guest appearances Guest Host 15 guest appearances Jeff Zeleny 15 guest appearances Erica Hill 14 guest appearances Abby Phillip 14 guest appearances Gloria Borger 13 guest appearances Jeremy Diamond 13 guest appearances John Kasich 12 guest appearances Dr. William Schaffner 12 guest appearances Kyung Lah 11 guest appearances Dr. Ashish Jha 10 guest appearances Phil Mattingly 10 guest appearances Pamela Brown 9 guest appearances Evan Perez 8 guest appearances Daniel Dale 8 guest appearances Jim Acosta 8 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥