John Crichton / Dominar Rygel XVI / Future Crichton / Officer Aeryn Sun / Past Crichton (88 episodes, 1999-2003)
Officer Aeryn Sun / Chiana / Dr. Batina Fairchild (88 episodes, 1999-2003)
Ka D'Argo / Joolushko Tunai Fenta Hovalis / Chiana / Gary Ragell / Pilot (88 episodes, 1999-2003)
Pilot / Captain Bialar Crais / Chiana / Crais the Ogre / Ka D'Argo / Officer Gordon (88 episodes, 1999-2003)
Dominar Rygel XVI / Voice of Dominar Rygel XVI / Kahaynu / Rygel / Douglas Logan / John Crichton / Ka D'Argo / Officer Aeryn Sun (86 episodes, 1999-2003)
Chiana / Jessica / Ka D'Argo / Pilot / Utu-Noranti Pralatong (74 episodes, 1999-2003)
Scorpius / Harvey / Drummer / Jack Crichton (61 episodes, 2000-2003)
Pa'u Zotoh Zhaan / Dr. Jane Komenski (50 episodes, 1999-2002)
Stark (35 episodes, 2000-2003)
Utu-Noranti Pralatong / Dominar Rygel XVI / Female Pilot / Nilaam (24 episodes, 2000-2003)
Lt. Meeklo Braca / Capt. Meeklo Braca (24 episodes, 2000-2003)
Sikozu Svala Shanti Sugaysi Shanu / Stark / Sikozu Svala Shanti Sugayi Shanu (22 episodes, 2002-2003)
Joolushko Tunai Fenta Hovalis (17 episodes, 2001-2002)
Cargn / Naj Gil / Teurac / Alcar / Diagnosan Tocot / Diagnosian Tocot / Garth / Moordil / Plonek / Tak / Vek / Wolesh (14 episodes, 2000-2002)
Commandant Mele-On Grayza / Commandant Mele-on Grayza (10 episodes, 2002-2003)
Jack Crichton (9 episodes, 1999-2003)
Minister Ahkna / ro-NA / M'Lee / Raxil (8 episodes, 2000-2003)
Ka Jothee (6 episodes, 2000-2001)
Xhalax Sun / Fento (5 episodes, 2000-2001)
Emperor Staleek / Axikor / Diagnosian (5 episodes, 2002-2003)
Akkor / Kreetago (5 episodes, 2000-2001)
Co-Kura Strappa / T'raltixx (5 episodes, 2000-2002)
Bekhesh / Alien / Raa'Keel (5 episodes, 1999-2003)
Cargn / Naj Gil / Tak (5 episodes, 2000-2001)
Einstein (1 episode, 2002-2003)
Gilina Renaez (4 episodes, 1999-2002)
Douglas 'D.K.' Knox / D.K. (4 episodes, 1999-2003)
Captain Jenek / Letchner (4 episodes, 2003)
Linfer / Rorg (4 episodes, 1999-2001)
Dregon Carzenova / Pa'u Bitaal (4 episodes, 1999-2000)
Councilor Tyno (3 episodes, 2000)
Furlow (3 episodes, 1999-2001)
Nurse Vreena / Judge (3 episodes, 2000-2003)
Rorf (3 episodes, 1999-2000)
Natira (3 episodes, 2000)
Empress Novia (3 episodes, 2000)
Prince Clavor (3 episodes, 2000)
Captain Selto Durka (3 episodes, 1999-2000)
Princess Katralla (3 episodes, 2000)
Elack's Pilot (3 episodes, 2002)
Jenavian Charto (3 episodes, 2000)
PK Nurse (3 episodes, 2000)
General Rahzaro / E'Alet (3 episodes, 2002-2003)
Teurac (3 episodes, 1999-2000)
Pennoch (3 episodes, 2003)
Kurz (3 episodes, 1999-2000)
Skreeth / Tauza (3 episodes, 2001-2003)
Lt. Teeg / Lieutenant Teeg (2 episodes, 1999-2000)
Cargn / Keedva (2 episodes, 2000)
Bobby / Bobby Cole (1 episode, 2003)
Tugar / Bintog (1 episode, 2002-2003)
Sorcerer Maldis / Haloth / Igg / Kyvan (2 episodes, 1999-2000)
Volmae / Yoz (2 episodes, 1999-2000)
B'Sogg / Katoya (2 episodes, 2000-2003)
Grunchlk (2 episodes, 2000-2001)
Jothee (2 episodes, 1999)
Molnon / Wa (2 episodes, 2000-2002)
Kek / Thek / Yoz (2 episodes, 2000-2001)
Dr. Trayso Talnell / Kaarvok (2 episodes, 2001-2003)
D'Argo's Girlfriend / Woman on Beach (2 episodes, 1999)
Leslie Crichton (2 episodes, 2000-2002)
Neeyala (2 episodes, 2001)
Niem (2 episodes, 2000)
Robert Schelmacher / Sheriff (2 episodes, 2002-2003)
Officer Yal Henta (2 episodes, 2002)
Oo-Nii (2 episodes, 2002)
Kabaah / Ullom (2 episodes, 2001-2002)
Lieutenant Heskon (2 episodes, 2000)
Ralnaht / Zylar (2 episodes, 2001-2003)
Olivia Crichton (2 episodes, 2003)
Lt. Darinta Larell (2 episodes, 2002)
Cresto (2 episodes, 2001)
Bloy / Temmon (2 episodes, 2000-2001)
Shreena (2 episodes, 2001)
Lastren (2 episodes, 2001)
Dr. Adrian Walker (2 episodes, 2003)
Plint (2 episodes, 2001-2002)
Caroline Wallace (2 episodes, 2002-2003)
Laura Kopecki (2 episodes, 2002-2003)
Secretary Vakali (2 episodes, 2003)
Zukash (2 episodes, 2003)
Zelkin (2 episodes, 2000)
Alex / Alexandra / Lorana (1 episode, 1999-2003)
Tauvo Crais (1 episode, 1999-2000)
Bixx (1 episode, 2000)
Capt. Crais' Father / Crais' Father (1 episode, 1999-2000)
Lishala (1 episode, 1999)
Lyneea (1 episode, 1999)
Staanz (1 episode, 1999)
Captain Larraq (1 episode, 1999)
Pa'u Tahleen (1 episode, 1999)
Lieutenant Melkor (1 episode, 1999)
Verell (1 episode, 1999)
Nam Tar (1 episode, 1999)
Lo'Laan (1 episode, 1999)
Rokon (1 episode, 1999)
Pa'u Tuzak (1 episode, 1999)
Kcrackic (1 episode, 1999)
Matala (1 episode, 1999)
Ray Wilson (1 episode, 1999)
Kyr (1 episode, 1999)
Kyona (1 episode, 1999)
Tanga (1 episode, 1999)
Fostro (1 episode, 1999)
Kornata (1 episode, 1999)
Thonn (1 episode, 1999)
Lomus (1 episode, 1999)
Lieutenant Velorek (1 episode, 2000)
Meelak (1 episode, 2000)
Jar Rouin (1 episode, 2000)
Shaman Liko (1 episode, 1999)
Salis (1 episode, 1999)
Hybin (1 episode, 1999)
Hassan (1 episode, 1999)
Ryymax (1 episode, 1999)
Cobb (1 episode, 1999)
Kato-Re (1 episode, 1999)
Evran (1 episode, 1999)
Hontovek (1 episode, 1999)
Young Nilaam (1 episode, 2000)
Varla (1 episode, 2000)
Vyna (1 episode, 2000)
Altana (1 episode, 2000)
Ilkog (1 episode, 2002)
Priestain Neera (1 episode, 1999)
Hasko (1 episode, 1999)
Dimensional Being (1 episode, 1999)
Rhed (1 episode, 1999)
Alien Soldier #1 (1 episode, 1999)
Peacekeeper Guard #1 (1 episode, 1999)
Captain Nonk (1 episode, 1999)
Caveman Crichton (1 episode, 2000)
Ennixx (1 episode, 2000)
Nerri (1 episode, 2000)
Tarr (1 episode, 2000)
Prefect Falaak (1 episode, 2002)
Dr. Tumii (1 episode, 2002)
R. Wilson Munroe (1 episode, 2003)
Talikaa (1 episode, 2003)
Macton (1 episode, 2003)
Lieutenant Om (1 episode, 1999)
Newsstand Guy (1 episode, 1999)
Peacekeeper Weapons Officer (1 episode, 1999)
Maid (1 episode, 1999)
Alien Hunter #2 (1 episode, 1999)
Sykaran Male (1 episode, 1999)
Br'Nee (1 episode, 2000)
Bartender (1 episode, 2000)
Gahv (1 episode, 2000)
Vorc (1 episode, 2000)
Rinic Sarova (1 episode, 2001)
Hubero (1 episode, 2001)
Sub-Officer Dacon (1 episode, 2001)
Sierjna (1 episode, 2001)
Talyn Lyczac (1 episode, 2001)
Sko (1 episode, 2002)
Ho'Ock (1 episode, 2002)
Gleeg (1 episode, 2002)
Gaashah (1 episode, 2002)
Prisoner Morrock (1 episode, 2003)
Trader (1 episode, 2003)
Alien Hunter #3 (1 episode, 1999)
Dialectic (1 episode, 1999)
Vija (1 episode, 2000)
Das (1 episode, 2000)
Maton Dersch (1 episode, 2000)
PK Scientist Drillic (1 episode, 2001)
Markir Tal (1 episode, 2001)
Borlik (1 episode, 2001)
Nurse Kelsa (1 episode, 2001)
Mu-Quillus (1 episode, 2001)
Fe'Tor (1 episode, 2001)
Rinic Bralanoth (1 episode, 2001)
Child Scorpius (1 episode, 2001)
Belima (1 episode, 2001)
Hotel Owner (1 episode, 2001)
Jabula Clan Chieftain (1 episode, 2002)
Mujombre (1 episode, 2002)
Lo'Laan (1 episode, 2003)
Outurak (1 episode, 2003)
Admiral Josbek (1 episode, 1999)
Bio Isolation Man #1 (1 episode, 1999)
Young Crichton (1 episode, 1999)
Jotheb (1 episode, 1999)
Technician (1 episode, 1999)
Finzzi (1 episode, 2000)
Jannix (1 episode, 2000)
Commander Tollona Javio (1 episode, 2000)
General Grynes (1 episode, 2001)
Rinic Tolven (1 episode, 2001)
Alcar (1 episode, 2001)
Theladh (1 episode, 2001)
Essk (1 episode, 2002)
Zerbat (1 episode, 2002)
Lt. Reljik (1 episode, 2002)
Male Zhaan (1 episode, 2002)
Nukana (1 episode, 2002)
Bio Isolation Man #2 (1 episode, 1999)
PK Doctor (1 episode, 1999)
Colonel Lennok (1 episode, 2001)
Charrid Leader (1 episode, 2001)
Mitols (1 episode, 2001)
Rovhu Pilot (1 episode, 2001)
Seer (1 episode, 2001)
'Young' John Crichton (1 episode, 2002)
Voodi (1 episode, 2002)
Vella (1 episode, 2002)
Frool (1 episode, 2002)
Grudek #1 (1 episode, 2002)
Woman Behind Counter (1 episode, 2002)
Coreeshi (1 episode, 2002)
T.R. Holt (1 episode, 2003)
Second Prisoner (1 episode, 2003)
Loud speaker (1 episode, 1999)
Cyntrina (1 episode, 2001)
Orrhn (1 episode, 2001)
Officer Kobrin (1 episode, 2001)
Beggar (1 episode, 2001)
Alien Girl (1 episode, 2001)
Ponara (1 episode, 2002)
Selva (1 episode, 2002)
Sloggard (1 episode, 2002)
Boy #1 (1 episode, 2002)
Karohm (1 episode, 2003)
Assassination Victim (1 episode, 2003)
Young Bialar Crais (1 episode, 1999)
Policeman (1 episode, 2000)
Nurse Froy (1 episode, 2001)
Felor (1 episode, 2001)
PK Pilot Rinon (1 episode, 2001)
Sarl (1 episode, 2001)
Interon Cryoman (1 episode, 2001)
Kor Tosko (1 episode, 2002)
Kim Kupperstein (1 episode, 2002)
Weldon (1 episode, 2002)
Mekken (1 episode, 2002)
Rinlo (1 episode, 2002)
Brenna (1 episode, 2002)
Boy #2 (1 episode, 2002)
Rekka (1 episode, 2003)
Ivan Chanderpaul (1 episode, 2003)
Young Girl (1 episode, 1999)
Gan (1 episode, 2000)
Prison Guard (1 episode, 2000)
Officer Tarn (1 episode, 2001)
Heska Tinaco (1 episode, 2001)
Kiryah (1 episode, 2002)
Belly Dancer (1 episode, 2002)
Boy (1 episode, 2002)
Scorpius Aide (1 episode, 2002)
Zepa (1 episode, 2003)
Major Gen. Stephen Walcott (1 episode, 2003)
Negotiator (1 episode, 2003)
Nurse (1 episode, 2001)
Tarnat (1 episode, 2002)
Armak (1 episode, 2002)
Village Woman (1 episode, 2002)
Marella (1 episode, 2003)
Dr. Jason Fletcher (1 episode, 2003)
Crichton's Daughter (1 episode, 2000)
Rylani Jeema Dellos (1 episode, 2001)
Olivia Crichton (1 episode, 2002)
Officer Vonk (1 episode, 2002)
Receptionist (1 episode, 2003)
Assassin (1 episode, 2000)
Ghebb Dellos (1 episode, 2001)
Dot Levy (1 episode, 2002)
Captain Molayne (1 episode, 2001)
PK Doctor (1 episode, 2002)
Deputy (1 episode, 2002)
Medic (1 episode, 2002)
Alien Boy (1 episode, 2001)
Alien / Coreeshi (uncredited) (2 episodes, 2002)
Grek (uncredited) (2 episodes, 2003)
Sergeant (uncredited) (1 episode, 1999)
Escort Alien (uncredited) (1 episode, 1999)
Dancer (uncredited) (1 episode, 1999)
Mechanic (uncredited) (1 episode, 1999)
Teurac (uncredited) (1 episode, 1999)
Acquarian Warrior (uncredited) (1 episode, 1999)
PK Commando #3 (uncredited) (1 episode, 1999)
PK Commando #5 (uncredited) (1 episode, 1999)
PK Commando #4 (uncredited) (1 episode, 1999)
Crais' Guard (uncredited) (1 episode, 2000)
Tenek (uncredited) (1 episode, 2001)
Cryoman (uncredited) (1 episode, 2001)
Airek (uncredited) (1 episode, 2002)
Dr. Edmund Johnston (uncredited) (1 episode, 2003)
Capt. Jennifer Risalto (uncredited) (1 episode, 2003)