Main Characters Captain Ed Mercer 36 main appearances Commander Kelly Grayson 36 main appearances Dr. Claire Finn 36 main appearances Lt. Cmdr. Bortus 36 main appearances Lt. Gordon Malloy 36 main appearances Isaac 35 main appearances Lt. Cmdr. John Lamarr 35 main appearances Klyden 20 main appearances Lt. Cmdr. Talla Keyali 20 main appearances Lt. Alara Kitan 15 main appearances Ensign Charly Burke 9 main appearances
Recurring Guest Characters Krill Guard 1 guest appearances Dr. Kalba 1 guest appearances Announcer 1 guest appearances Alien 4 Arm Waitress 1 guest appearances Alien Guitarist 1 guest appearances Tongue Alien 1 guest appearances Lt. Kelly Grayson (7 years younger) 1 guest appearances ⇤ « 8 9 10 11 12 13 14 15 16 17 » ⇥