Main Characters Special Agent Dana Scully 212 main appearances Special Agent Fox Mulder 189 main appearances Assistant Director Walter Skinner 34 main appearances Special Agent John Doggett 41 main appearances Special Agent Monica Reyes 20 main appearances
Recurring Guest Characters Special Agent Fox Mulder 1 guest appearances Assistant Director Walter Skinner 70 guest appearances Cigarette-Smoking Man 44 guest appearances Melvin Frohike 40 guest appearances John Fitzgerald Byers 38 guest appearances Richard "Ringo" Langly 37 guest appearances Special Agent Monica Reyes 7 guest appearances Agent Alex Krycek 24 guest appearances Deputy Director Alvin Kersh 22 guest appearances Baby William 17 guest appearances Margaret Scully 16 guest appearances Elder #1 14 guest appearances Mr. X 13 guest appearances Special Agent Jeffrey Spender 12 guest appearances Deep Throat 11 guest appearances Marita Covarrubias 11 guest appearances Agent Sean Pendrell 10 guest appearances Teena Mulder 10 guest appearances Bounty Hunter 9 guest appearances Well-Manicured Man 8 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥