Main Characters Dr. Nancy Jaax 6 main appearances Lt. Col. Jerry Jaax 6 main appearances Dr. Peter Jahrling 6 main appearances Wade Carter 6 main appearances Dr. Bruce Ivins 6 main appearances Matthew Ryker 6 main appearances Trevor Rhodes 5 main appearances
Recurring Guest Characters Jean Malecki 1 guest appearances Clemons 1 guest appearances Stephanie Dailey 1 guest appearances Maureen Stevens 1 guest appearances Bob Stevens 1 guest appearances Heidi Stevens 1 guest appearances Nicholas Stevens 1 guest appearances Casey Stevens 1 guest appearances Dr. Yuri Sokolov 1 guest appearances Gloria Irish 1 guest appearances Mike Irish 1 guest appearances Ernesto Blanco 1 guest appearances Jack Lawson 1 guest appearances Soviet Colonel 1 guest appearances Jen Mills 1 guest appearances Dr. Tergenev 1 guest appearances Government Official 1 guest appearances Trauma Tech 1 guest appearances FBI Agent (1992) 1 guest appearances Russian Scientist 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥