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 Lieutenant Dorsett 1 guest appearances First Prefect 1 guest appearances Rokal 1 guest appearances Chief Advisor Makkal 1 guest appearances Science Prefect 1 guest appearances Advisor #2 1 guest appearances Physicist 1 guest appearances Nurse 1 guest appearances Regorian Doctor 1 guest appearances Regorian Doctor #2 1 guest appearances Obstetric Surgeon #1 1 guest appearances Obstetric Surgeon #2 1 guest appearances Obstetric Surgeon #3 1 guest appearances Burly Man 1 guest appearances Cameraman 1 guest appearances Aide 1 guest appearances Prisoner 1 guest appearances Camp Guard #1 1 guest appearances Camp Guard #2 1 guest appearances Warden 1 guest appearances ⇤ « 5 6 7 8 9 10 11 12 13 14 » ⇥