• 
  Rockne S. O'Bannon

  regizor

• 
  Ben Browder

  John Crichton
• 
  Claudia Black

  Ofiter Aeryn Sun
• 
  Anthony Simcoe

  Ka D'Argo
• 
  Jonathan Hardy

  Dominar Rygel XVI
• 
  Malcolm Kennard

  Meelak (1 episode, 2000)
• 
  Nadia Townsend

  Kim Kupperstein (1 episode, 2002)
• 
  Lenore Smith

  Lt. Darinta Larell (2 episodes, 2002)

• 
  Brett Stiller

  Zerbat (1 episode, 2002)
• 
  Chris Haywood

  Sorcerer Maldis  (2 episodes, 1999-2000)
• 
  Nick Tate

  R. Wilson Munroe (1 episode, 2003)
• 
  Anja Coleby

  Ponara (1 episode, 2002)
• 
  Angie Milliken

  Volmae  (2 episodes, 1999-2000)
• 
  Danny Adcock

  Co-Kura Strappa  (5 episodes, 2000-2002)
• 
  Jason Clarke

  Jenek (4 episodes, 2003)

• 
  Jack Finsterer

  Gleeg (1 episode, 2002)
• 
  Mark McCann

  Grudek #1 (1 episode, 2002)
• 
  Magda Szubanski

  Furlow (3 episodes, 1999-2001)
• 
  Vic Rooney

  Admiral Josbek (1 episode, 1999)
• 
  Ray Anthony

  Alcar (1 episode, 2001)
• 
  David Field

  Ho'Ock (1 episode, 2002)
• 
  Royston Innes
• 
  Stephanie Jacobsen

  Nurse Froy (1 episode, 2001)
• 
  Mary Mara

  Lyneea (1 episode, 1999)
• 
  Nicholas Hammond

  Dr. Adrian Walker (2 episodes, 2003)
• 
  Shane Briant

  Dr. Trayso Talnell  (2 episodes, 2001-2003)
• 
  John Batchelor

  Kcrackic (1 episode, 1999)
• 
  Tyler Coppin

  Robert Schelmacher  (2 episodes, 2002-2003)
• 
  Marton Csokas

  Br'Nee (1 episode, 2000)
• 
  Erika Heynatz

  Caroline Wallace (2 episodes, 2002-2003)
• 
  Felicity Price

  Princess Katralla (3 episodes, 2000)
• 
  Julian Garner

  Nam Tar (1 episode, 1999)
• 
  Kosta Doukas

  Deputy (1 episode, 2002)
• 
  Sarah Enright

  Olivia Crichton (2 episodes, 2003)
• 
  Tina Bursill

  Empress Novia (3 episodes, 2000)
• 
  Phillip Hinton

  Teurac (3 episodes, 1999-2001)
• 
  Bruce Spence

  Prefect Falaak (1 episode, 2002)
• 
  Grant Bowler

  Shaman Liko (1 episode, 1999)
• 
  John Brumpton

  B'Sogg  (2 episodes, 2000-2003)
• 
  Gigi Edgley

  Chiana (74 episodes, 1999-2003)
• 
  Alexandra Fowler

  Orrhn (1 episode, 2001)
• 
  Christine Stephen-Daly

  Lieutenant Teeg  (2 episodes, 1999)
• 
  Geoff Morrell

  T.R. Holt (1 episode, 2003)
• 
  Kent McCord

  Jack Crichton (10 episodes, 1999-2003)
• 
  Inge Hornstra

  Essk (1 episode, 2002)
• 
  Jamie Croft

  'Young' John Crichton (1 episode, 2002)
• 
  Anna Lise Phillips

  Young Nilaam (1 episode, 2000)
• 
  Matt Day

  Councilor Tyno (3 episodes, 2000)
• 
  Paul Leyden

  Captain Larraq (1 episode, 1999)
• 
  Brian Henson

  Dr. Edmund Johnston (1 episode, 2003)
• 
  Max Phipps

  Pa'u Tuzak (1 episode, 1999)
• 
  Rebecca Gibney

  Rinic Sarova (1 episode, 2001)
• 
  Linal Haft

  Zelkin (2 episodes, 2001)
• 
  Nic Bishop

  Ghebb Dellos (1 episode, 2001)
• 
  Barry Otto

  Dr. Tumii (1 episode, 2002)
• 
  Terry Serio

  Colonel Lennok (1 episode, 2001)
• 
  Sandy Gore

  Nurse Vreena  (3 episodes, 2000-2003)
• 
  Ben Mendelsohn

  Sko (1 episode, 2002)
• 
  Rel Hunt

  Karohm (1 episode, 2003)
• 
  Nicholas Hope

  Akkor  (5 episodes, 2001)
• 
  Linda Cropper

  Xhalax Sun  (5 episodes, 2000-2001)
• 
  Boris Brkic

  Ryymax (1 episode, 1999)
• 
  Mick Roughan

  Airek (1 episode, 2002)
• 
  Kate Beahan

  Hubero (1 episode, 2001)
• 
  Elizabeth Alexander

  Vella (1 episode, 2002)
• 
  Rachel Gordon

  Lo'Laan (1 episode, 2003)
• 
  Dean O'Gorman

  Zukash (2 episodes, 2003)
• 
  Claudia Karvan

  Natira (3 episodes, 2001)
• 
  Rowan Woods

  Male Zhaan (1 episode, 2002)
• 
  Jonny Pasvolsky

  Pennoch (3 episodes, 2003)
• 
  Kelly Butler

  Selva (1 episode, 2002)
• 
  Leeanna Walsman

  Borlik (1 episode, 2001)
• 
  Kate Kendall

  Sergeant (1 episode, 1999)
• 
  Jeremy Sims

  Rorf (3 episodes, 1999-2001)
• 
  Justine Saunders

  Altana (1 episode, 2000)
• 
  Dan Spielman

  Sub-Officer Dacon (1 episode, 2001)
• 
  Lisa Hensley

  Matala (1 episode, 1999)
• 
  Matthew Newton

  Ka Jothee (5 episodes, 2001)
• 
  Anthony Hayes

  Molnon  (2 episodes, 2000-2002)
• 
  Simon Bossell

  Nerri (1 episode, 2000)
• 
  Victoria Longley

  Neeyala (2 episodes, 2001)
• 
  Alex Dimitriades

  Lieutenant Velorek (1 episode, 2000)
• 
  John Bach

  Einstein (1 episode, 2002)
• 
  Matthew Le Nevez

  Crichton Double (1 episode, 2000)
• 
  Carmen Duncan

  Leslie Crichton (2 episodes, 2000-2002)
• 
  Ivar Kants

  Gaashah (1 episode, 2002)
• 
  Kevin Copeland

  Rokon (1 episode, 1999)
• 
  Sandy Winton

  Rinic Tolven (1 episode, 2001)
• 
  Simone Kessell

  Finzzi (1 episode, 2000)
• 
  Natalie Jackson Mendoza

  Lishala (1 episode, 1999)
• 
  Ian Bliss

  PK Scientist Drillic (1 episode, 2001)
• 
  Mark Mitchell

  Mu-Quillus (1 episode, 2001)
• 
  Darlene Vogel

  Alexandra  (1 episode, 1999)
• 
  Rhys Muldoon

  Staanz (1 episode, 1999)
• 
  Susan Prior

  Kiryah (1 episode, 2002)
• 
  Lucy Bell

  Nurse Kelsa (1 episode, 2001)
• 
  Sam Healy

  Rylani Jeema Dellos (1 episode, 2001)
• 
  Virginia Hey

  Pa'u Zotoh Zhaan
• 
  Wayne Pygram

  Scorpius
• 
  Lani John Tupu

  Pilot