- Peter McCauley
- Â Professor George Challenger / ... 66 episodes, 1999-2002
- Rachel Blakely
- Â Marguerite Krux / ... 66 episodes, 1999-2002
- Jennifer O'Dell
- Â Veronica Layton / ... 66 episodes, 1999-2002
- William Snow
- Â Lord John Roxton / ... 66 episodes, 1999-2002
- David Orth
- Â Ned Malone / ... 54 episodes, 1999-2002
- Michael Sinelnikoff
- Â Professor Arthur Summerlee / ... 23 episodes, 1999-2001
- Lara Cox
- Â Finn / ... 9 episodes, 2000-2002
- Nick McKinless
- Â Apeman / ... 2 episodes, 1999-2002
- Jerome Ehlers
- Â Tribune / ... 5 episodes, 1999-2001
- Laura Vazquez
- Â Assai 4 episodes, 1999-2001
- Robert Coleby
- Â Dr. William Maple-White / ... 4 episodes, 1999-2002
- Lani John Tupu
- Â Capicotchi, Chief Guide / ... 4 episodes, 1999-2000
- Brad McMurray
- Â Barman / ... 3 episodes, 1999-2000
- George Henare
- Â Chief Jacoba / ... 3 episodes, 1999-2000
- Steven Vidler
- Â Captain Mark Askwith 2 episodes, 2001
- Catherine Wilkin
- Â Adama / ... 2 episodes, 1999-2002
- Rod Mullinar
- Â Bokra / ... 2 episodes, 1999-2002
- Christopher Morris
- Â Kirin / ... 2 episodes, 1999-2001
- Jean-Marc Russ
- Â Beal / ... 2 episodes, 2001-2002
- Shanyn Asmar
- Â Calista / ... 2 episodes, 1999-2001
- William deVry
- Â Ned Malone 2 episodes, 1999
- Jason Chong
- Â Arjax / ... 2 episodes, 2000-2001
- Julian Garner
- Â Lt. Philip James Drummond / ... 2 episodes, 1999-2002
- Belinda Gavin
- Â Josie / ... 2 episodes, 2000-2001
- Jeremy Callaghan
- Â Alex Linden / ... 2 episodes, 2000-2001
- Wayne Pygram
- Â Captain Tark / ... 2 episodes, 1999-2001
- Carl Snell
- Â Osric / ... 2 episodes, 1999-2000
- Brett Arthur
- Â Maxor / ... 2 episodes, 2000-2001
- Rio Nugara
- Â Alvar / ... 2 episodes, 1999-2000
- Mick Roughan
- Â Brine / ... 2 episodes, 2000-2001
- Adrian Brown
- Â Head Zanga / ... 2 episodes, 1999-2000
- Chas Green
- Â Guard / ... 2 episodes, 2000-2001
- Arna-Maria Winchester
- Â Hagen Queen / ... 2 episodes, 2000-2001
- Robert Díaz
- Â Guardian / ... 2 episodes, 1999-2001
- Dawn Klingberg
- Â Old Woman / ... 2 episodes, 1999-2000
- Laslo Racz
- Â Chief 2 episodes, 1999
- Victor Parascos
- Â Other Prin / ... 1 episode, 1999-2001
- Annette Van Moorsel
- Â Chameleon / ... 1 episode, 1999-2000
- Simon Watts
- Â Zero 1 episode, 2000-2001
- Zelie Bullen
- Â Ape Woman 1 episode, 1999-2000
- Michelle Comerford
- Â Mother Trog / ... 1 episode, 2000-2001
- Samantha Healy
- Â Queen Zi-Zo 1 episode, 2002
- Danielle Carter
- Â Death 1 episode, 2002
- Sandy Winton
- Â Thomas Ducard 1 episode, 2002
- Ben Seton
- Â Callum 1 episode, 2002
- Nicholas Hammond
- Â Phil Dillon 1 episode, 2000
- Grant Bowler
- Â Montague Fitzsimmonds 1 episode, 2000
- John Bach
- Â Balar 1 episode, 2000
- Christopher Kirby
- Â Prince Apep 1 episode, 2000
- Anja Coleby
- Â Hippolita 1 episode, 2000
- John Noble
- Â Inspector Robert Anderson 1 episode, 2001
- Gigi Edgley
- Â Pakim 1 episode, 2001
- Simone Kessell
- Â Danielle 1 episode, 2001
- Leah Purcell
- Â Witch Doctor 1 episode, 2001
- Peter O'Brien
- Â Avery Burton / ... 1 episode, 2001
- Kristy Wright
- Â Ana Pisaro 1 episode, 2001
- Paul Gleeson
- Â Jack Kellar 1 episode, 2001
- Nicholas Bell
- Â Edgar Gray 1 episode, 2001
- Sean Taylor
- Â Pierson Rice 1 episode, 2001
- Marcus Eyre
- Â Wik Pappin 1 episode, 2001
- Cathey Robinsen
- Â Osina 1 episode, 2001
- Gary West
- Â Piano Player 1 episode, 2001
- Jane Badler
- Â Dame Alice Kyteler 1 episode, 2002
- David Roberts
- Â Mordren 1 episode, 2002
- Robert Mammone
- Â Professor Campbell 1 episode, 2002
- John Adam
- Â Cha-Zu 1 episode, 2002
- Jack Finsterer
- Â Captain Melric 1 episode, 2002
- Kim De Lury
- Â Sergeant Haskell 1 episode, 2002
- Ron Lee
- Â Master Xan 1 episode, 2002
- Rebecca Gibney
- Â Lady Cassandra Yorkton 1 episode, 1999
- John Waters
- Â Lento 1 episode, 1999
- Julian Arahanga
- Â Pintario 1 episode, 1999
- Kate Fitzpatrick
- Â Garza 1 episode, 1999
- Claudia Karvan
- Â Catherine Reilly 1 episode, 2000
- Alan Dale
- Â Phelan 1 episode, 2000
- Anthony Simcoe
- Â Dirkon 1 episode, 2000
- William McInnes
- Â Hans Dressler 1 episode, 2000-2001
- Jessica Napier
- Â Gladys 1 episode, 2000
- Bianca Roe
- Â Queen Selena 1 episode, 2000
- Steve Bastoni
- Â Ramses 1 episode, 2000
- Jeremy Sims
- Â Vordred 1 episode, 2000
- Gerard Kennedy
- Â Old Sigurd 1 episode, 2000
- Tiffany Lamb
- Â Barb Dillon 1 episode, 2000
- Ron Haddrick
- Â Bergin 1 episode, 2000
- Nicholas Eadie
- Â Kaysan 1 episode, 2000
- Steven Jacobs
- Â Dr. William Hargrove 1 episode, 2000
- Kit Taylor
- Â Largo / ... 1 episode, 2000
- Don Atkinson
- Â Nemak 1 episode, 2000
- Samsor Safi
- Â Jarl 1 episode, 2000
- Nick Tate
- Â Dr. William Gull 1 episode, 2001
- Linal Haft
- Â Lord Winston Churchill 1 episode, 2001
- Paul Goddard
- Â Lawrence 1 episode, 2001
- Charlie Cousins
- Â Tomu 1 episode, 2001
- Shane Briant
- Â Lionel Holt 1 episode, 2001
- Rhys Muldoon
- Â Blum 1 episode, 2001
- Josephine Byrnes
- Â The Outlaw 1 episode, 2001
- Laura Stejskal
- Â Aleece 1 episode, 2001
- Alex Ruiz
- Â Steve 1 episode, 2001
- Iain Gardiner
- Â Mr. Davey 1 episode, 2001
- Frederique Fouche
- Â Adrienne Monclair 1 episode, 2001
- Henk Johannes
- Â Horseman 1 episode, 2001
- Simone Robertson
- Â Empress Centuria 1 episode, 2001
- Nathan Dean Ramsay
- Â Danu 1 episode, 2001
- Nick Pendragon
- Â Cannibal Chief 1 episode, 2001
- Ian Bliss
- Â Professor Hamilton 1 episode, 2002
- Raelee Hill
- Â Brywik 1 episode, 2002
- Angie Milliken
- Â Diana 1 episode, 2002
- Freya Stafford
- Â Una 1 episode, 2002
- Barry Quin
- Â Lionel Huxley 1 episode, 2002
- Aaron James Cash
- Â Na-Zu 1 episode, 2002
- Ivar Kants
- Â Warbek the Druid 1 episode, 2002
- Tim Campbell
- Â Young Challenger 1 episode, 2002
- Jennifer Congram
- Â Nadine Melric-Ducard 1 episode, 2002
- Doug Penty
- Â Burke 1 episode, 2002
- Robert Rimmer
- Â Pvt. Jones 1 episode, 2002
- Amanda Douge
- Â Talibo 1 episode, 1999
- Simmone Mackinnon
- Â Elura 1 episode, 1999
- Elizabeth Alexander
- Â Mrs. Krux 1 episode, 1999
- Elton Hayes
- Â Niko 1 episode, 1999
- Stephen Leeder
- Â Yuna 1 episode, 1999
- Ruby Ross-Alkhamisi
- Â Baby 1 episode, 1999
- Michala Banas
- Â Renata Hargrove 1 episode, 2000
- David Hoflin
- Â Gideon 1 episode, 2000
- Matthew Newton
- Â Gawain 1 episode, 2000
- Marshall Napier
- Â Drakul 1 episode, 2000
- Natalie Bassingthwaighte
- Â Raina 1 episode, 2000
- Jamie Croft
- Â Rob Dillon 1 episode, 2000
- Jacinta Stapleton
- Â Thea 1 episode, 2000
- Spencer McLaren
- Â Qinaq's Mate 1 episode, 2000
- Nicole Nabout
- Â Nefertiti 1 episode, 2000
- Simon Bossell
- Â James Kemper 1 episode, 2000
- Tim McCunn
- Â Balar Henchman 1 episode, 2000
- Warwick Comber
- Â Kartas 1 episode, 2000
- Dinah Shearing
- Â Anna Summerlee 1 episode, 2000
- Chelsea Gibb
- Â Isadore 1 episode, 2000
- Dominic Purcell
- Â Condillac 1 episode, 2001
- Jared Robinsen
- Â Captain Marchbanks 1 episode, 2001
- Mark Hembrow
- Â Hyde 1 episode, 2001
- Alethea McGrath
- Â Old Ana 1 episode, 2001
- Marea Lambert Barker
- Â Lara 1 episode, 2001
- Sara Groen
- Â Immy 1 episode, 2001
- Melissa McCrae
- Â Billy 1 episode, 2001
- Simon Durante
- Â Deputy 1 episode, 2001
- Kamahi Djordon King
- Â Johnson 1 episode, 2001
- Brett Tucker
- Â Rixxel 1 episode, 2002
- Henry Nixon
- Â Bartholomew Thorne 1 episode, 2002
- Kym Wilson
- Â Narina 1 episode, 2002
- Fred Whitlock
- Â Thomas Layton 1 episode, 2002
- Frederick Miragliotta
- Â Ferdinand Perrez 1 episode, 2002
- Verity Colquhoun
- Â Emily Harper 1 episode, 2002
- Nathan Kotzur
- Â Horn 1 episode, 2002
- Eddy Segal
- Â Pvt. Rutherford 1 episode, 2002
- Antonio Te Maioha
- Â Darak 1 episode, 1999
- Remi Broadway
- Â Joshua 1 episode, 1999
- Aaron Catalan
- Â Dalziel 1 episode, 1999
- Juanita Marie
- Â Asu 1 episode, 1999
- David Fawkner
- Â Man 1 episode, 1999
- Marton Csokas
- Â Kenner 1 episode, 2000
- Melissa Jaffer
- Â Crazy Old Woman 1 episode, 2000
- Kristian Schmid
- Â Thane 1 episode, 2000
- Carmen Duncan
- Â Kayla 1 episode, 2000
- Natasha Beaumont
- Â Qinaq 1 episode, 2000
- Martin Grelis
- Â Guard 1 episode, 2000
- Dino Marnika
- Â Cyan 1 episode, 2000
- Romi Trower
- Â Klaire 1 episode, 2000
- Karen Crone
- Â Esme 1 episode, 2000
- Jack Heywood
- Â Army Colonel 1 episode, 2000
- Joe Bugner
- Â Trustee 1 episode, 2001
- Jack Henry
- Â London Drunk 1 episode, 2001
- Nicole McLachlan
- Â Princess Yoma 1 episode, 2001
- Oliver Rumpf
- Â Boy 1 episode, 2001
- Annalise Woods
- Â Young Veronica 1 episode, 2002
- Isabella Seymour
- Â Young Finn 1 episode, 2002
- Vincent Vaccari
- Â Icarus 1 episode, 2002
- Paul Sonkkila
- Â Alfred Lapprand 1 episode, 1999
- Chevonne Duncan
- Â Cynara 1 episode, 1999
- Hannah Durack
- Â Llana 1 episode, 1999
- Helen Christinson
- Â Young Woman 1 episode, 1999
- Damien Garvey
- Â Ugo 1 episode, 2000
- James Stewart
- Â Prisoner #1 1 episode, 2000
- Kevin Copeland
- Â Cooper 1 episode, 2000
- Kenneth Ransom
- Â Ashur 1 episode, 2000
- Nadja Kostich
- Â Ursula 1 episode, 2000
- Tim McDonald
- Â Sigurd 1 episode, 2000
- Paul Zebrowski
- Â Cassius 1 episode, 2000
- Benjamin Blaylock
- Â Lucas 1 episode, 2000
- Shane Barnes
- Â British Seaman 1 episode, 2000
- John Seru
- Â Gladiator 1 episode, 2001
- David Vallon
- Â Judge 1 episode, 2001
- Ed McShortall
- Â Dying Man 1 episode, 2001
- John Coffey
- Â Bobby 1 episode, 2001
- Ginger
- Â The Pig 1 episode, 2001
- Steve Harman
- Â Lewis 1 episode, 2002
- Scott McLean
- Â Adam 1 episode, 1999
- Paul Shedlowich
- Â Warrior #1 1 episode, 1999
- George Gualberto
- Â Sinta 1 episode, 1999
- Don Battee
- Â Raider 1 episode, 2000
- Boris Brkic
- Â Davos 1 episode, 2000
- Amelia Barrett
- Â Tarya 1 episode, 2000
- Craig A. Kocinski
- Â Narrator / ... 1 episode, 2000
- Peter Knapman
- Â Hector 1 episode, 2000
- Paul Dalglish
- Â Prisoner #2 1 episode, 2000
- Eric Thill
- Â Croupier 1 episode, 2000
- Craig Marriott
- Â Boy Trog 1 episode, 2001
- Daniel Pitt
- Â Barfly 1 episode, 2001
- Laurence Hodge
- Â Old Man 1 episode, 1999
- Arthur Vechtriz
- Â Warrior #2 1 episode, 1999
- Zoe Coyle
- Â Kaya 1 episode, 2000
- John Walkin
- Â Bruno 1 episode, 2000
- Taylor Beadle-Williams
- Â Young Girl 1 episode, 1999
- Anthony Ward
- Â Guard 1 episode, 2000
- Brit Sooby
- Â Blonde Slave / ... (uncredited) 3 episodes, 1999-2000
- Vic Wilson
- Â Apeman (uncredited) 2 episodes, 2000
- Gabriel Kozulan
- Â Apeman (uncredited) 2 episodes, 2000
- Rachel Leigh Anderson
- Â Slave girl (uncredited) 1 episode, 1999
- Ron Vreeken
- Â Cannibal #1 (uncredited) 1 episode, 2000
- Rachael O'Brien
- Â Short-haired Woman (uncredited) 1 episode, 2000
- Darko Tuscan
- Â Cannibal #2 (uncredited) 1 episode, 2000
- David Knijnenburg
- Â Tribal Trader (uncredited) 1 episode, 2000
- Sue Baldwin
- Â Woman #6 (uncredited) 1 episode, 2000
- Mick Van Moorsel
- Â Trog (uncredited) 1 episode, 2000
- Robin Menzies
- Â Woman #5 (uncredited) 1 episode, 2000
- Kristie Buckingham
- Â Woman #3 (uncredited) 1 episode, 2000
- Ryan Verbruggen
- Â Guard (uncredited) 1 episode, 2001
- Georgina Spelvin
- Â Abigail Layton (uncredited) 1 episode, 2002
- Natalie Hoflin
- Â Keeran Warrior #2 (uncredited) 1 episode, 2002
- Sean Rigby
- Â Archaeology Team Member (uncredited) 1 episode, 2002
- Antonia Corrigan
- Â Young Veronica (uncredited) 1 episode, 2002
- Gavin Coleman
- Â Archaeology Team Member (uncredited) 1 episode, 2002
- Dean Caulfield
- Â Archaeology Team Member (uncredited) 1 episode, 2002
- Don Vaughn
- Â Archaeology Team Member (uncredited) 1 episode, 2002