Main Characters
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