Main Characters Captain Steve Burton 40 main appearances Mark Wilson 40 main appearances Dan Erickson 40 main appearances Valerie Ames Scott 40 main appearances Alexander Fitzhugh 40 main appearances Barry Lockridge 38 main appearances Betty Hamilton 33 main appearances
Recurring Guest Characters 2nd Scientist 1 guest appearances Nick 1 guest appearances Dolf 1 guest appearances Joey 1 guest appearances Hopper 1 guest appearances Giant Trapper 1 guest appearances Captain Ashim 1 guest appearances Dr. Kraal 1 guest appearances Prisoner 1 guest appearances Policeman 1 guest appearances Giant Camper 1 guest appearances Giant Girl 1 guest appearances Mr. Secretary 1 guest appearances Warden Barmak 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 » ⇥