Main Characters Dr. J. Allen Hynek 20 main appearances Captain Michael Quinn 20 main appearances General James Harding 20 main appearances Susie Miller 19 main appearances Mimi Hynek 19 main appearances General Hugh Valentine 17 main appearances
Recurring Guest Characters Faye 11 guest appearances Joel Hynek 10 guest appearances William 10 guest appearances William Fairchild 6 guest appearances Lieutenant Henry "Coop" Fuller 6 guest appearances Russian Spy 5 guest appearances Daniel Banks 5 guest appearances Evan Blake 4 guest appearances Donna Smith 3 guest appearances Master Sergeant Edward Rizzuto 3 guest appearances Daria 3 guest appearances Senator John F. Kennedy 3 guest appearances Jack Smith 2 guest appearances General Ryan Blackstone 2 guest appearances Judy Newbold 2 guest appearances Duncan Booker 2 guest appearances Carolyn Colson 2 guest appearances Fred McDoyle 2 guest appearances Doctor 1 guest appearances Tech 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥