Cdr. John Crichton
Ben Browder
Officer Aeryn Sun
Claudia Black
General Ka D' Argo
Anthony Simcoe
Pa'u Zotoh Zhaan
Virginia Hey
Dominar Rygel XVI (voice)
Jonathan Hardy
John Eccleston
Chiana
Gigi Edgley
Capt. Bialar Crais/Pilot (voice only)
Lani John Tupu
Sean Masterson
Scorpius/Harvey
Wayne Pygram
Stark
Paul Goddard
Natira
Claudia Karvan
Molnon
Anthony Hayes
Sorcerer Maldis / Kyvan
Chris Haywood
Ka Jothee
Matt Newton
Meelak
Malcolm Kennard
Nurse Vreena / Muoma / Judge
Sandy Gore
Yoz (voice)
Angie Milliken
B'Sogg
John Brumpton
Co-Kura Strappa / T'raltixx
Danny Adcock
Lieutenant Velorek
Alex Dimitriades
Grunchlk
Hugh Keays-Byrne
Caveman Crichton
Matthew Le Nevez
Das
Peter Scarf
Jack Crichton
Kent McCord
councilor Tyno
Matt Day
Noranti / Female Pilot / Nilaam
Melissa Jaffer
Tarr
Peter Kowitz
Akkor / Kreetago
Nicholas Hope
Stark
Paul Goddard
Sikozu
Raelee Hill
Vyna
Michela Noonan
Varla
Skye Wansey
Young Nilaam
Anna Lise Phillips
Princess Katralla
Felicity Price
Altana
Justine Saunders
PK Nurse
Jennifer Fisher
Xhalax Sun / Fento
Linda Cropper
Vorc (voice)
Virginia Weule
Bartender
Jeremy Callaghan
Leslie Crichton
Carmen Duncan
Vija
Rob Carlton
Jannix
Natasha Beaumont
gahv
Peter Carroll
Empress Novia
Tina Bursill
Ennixx
Alyson Standen
Nerri
Simon Bossell
Lt. Meeklo Braca / Capt. Meeklo Braca
David Franklin
Joolushko Tunai Fenta Hovalis
Tammy Macintosh
Rorf
Jeremy Sims
Minister Akhna / War Minister Akhna / ro-NA
Francesca Buller
Douglas `D.K.' Knox
Murray Bartlett
Jenavian Charto
Bianca Chiminello
Maton Dersch
Marin Mimica
Keedva
Gavin Robins
Finzzi
Simone Kessell
Prince Clavor
Felix Williamson
Temmon
Hunter Perske
Teurac / Cargn / Naj Gil
Thomas Holesgrove
Dregon Carzenova
Aaron Cash
Cargn (voice)
Nick McKay
Commandant Mele-On Grayza
Rebecca Riggs
Emperor Staleek / Axikor / Diagnosian (voice)
Duncan Young
Bekhesh / Sgt. Learko / Lt. Jatog
John Adam
Cargn (voice) / Naj Gil (voice) / Tak (voice)
Nicholas McKay