 | Kit Harington als Milo |
 | Emily Browning als Cassia |
 | Adewale Akinnuoye-Agbaje als Atticus |
 | Kiefer Sutherland als Corvus |
 | Carrie-Anne Moss als Aurelia |
 | Jared Harris als Severus |
 | Jessica Lucas als Ariadne |
 | Sasha Roiz als Proculus |
 | Currie Graham als Bellator |
 | Joe Pingue als Graecus |
 | Ron Kennell als The Weasel |
 | Rebecca Eady als Milo's Mother |
 | Jean Frenette als Boss Slaver |
 | Dylan Schombing als Young Milo |
 | Maxime Savaria als Biggest Thracian |
 | Tom Bishop Sr. als Cassia's Carriage Driver |
 | Jean-François Lachapelle als Milo's Father |
 | Dalmar Abuzeid als Felix |
 | Emmanuel Kabongo als African Gladiator |
 | Brock Johnson als Flashback Centurion |
 | Kristina Nicoll als Rich Wife #1 |
 | Janine Theriault als Rich Wife #2 |
 | Mark Whelan als Ship's Captain |
| Anaïs Frenette als Harbor Child |
| Donna Christo als Harbor Mother |
| Thomas Stumpo als Harbor Boy |
 | Rodney Alexandre als Gladiator (uncredited) |
 | Melantha Blackthorne als Celtic Woman (uncredited) |
| Zachary Burke als Proclaimer (uncredited) |
| Milan Carmona als Roman Boy (uncredited) |
 | Jimmy Chimarios als Gladiator (uncredited) |
| Jay Da Costa als Roman Citizen (uncredited) |
| Chris Gonsalves als Roman Archer (uncredited) |
 | Patrick Kerton als Celtic Gladiator (uncredited) |
| Johnny Larocque als Soldier (uncredited) |
 | Alain Moussi als Celtic Gladiator (uncredited) |
 | Harrison Astroff als Amphitheatre Spectator (uncredited) |
| Janet Scott Batchler | Screenplay |
| Lee Batchler | Screenplay |
| Paul W. S. Anderson | Director |
| Robert Kulzer | Producer |
| Peter Schlessel | Executive Producer |
| Michele Conroy | Editor |
| Jeffrey A. Melvin | Set Decoration |
| Clinton Shorter | Original Music Composer |
| Michael Robert Johnson | Screenplay |
| Wendy Partridge | Costume Design |
| Jeremy Bolt | Producer |
| Don Carmody | Producer |
| Glen MacPherson | Director of Photography |
| Martin Moszkowicz | Producer |
| Paul W. S. Anderson | Producer |
| Paul D. Austerberry | Production Design |
| Ronna Kress | Casting |
| Jo-Ann MacNeil | Makeup Department Head |
| Jean Frenette | Stunt Coordinator |
| Carlos Caneca | Leadman |
| Evan Webber | Set Designer |
| Angela Mastronardi | Script Supervisor |
| Tony Kenny | Special Effects Coordinator |
| Michael L. Hall | Gaffer |
| Deirdre Bowen | Casting |
| Dug Rotstein | Script Supervisor |
| Philippe Turlure | Set Decoration |
| David Best | Assistant Art Director |
| Alex Bullick | Sound Effects Editor |
| J.R. Fountain | Sound Effects Editor |
| Roberto Campanella | Choreographer |
| Kevin Banks | Music Editor |
| Neishaw Ali | Visual Effects Producer |
| Stefany Koutroumpis | Set Designer |
| Denis Bellingham | Boom Operator |
| Nigel Churcher | Art Direction |
| Dennis Berardi | Visual Effects Supervisor |
| Jonathan Matthews | Location Manager |
| Caitlin Cronenberg | Still Photographer |
| Lindsay Jacobs | Costume Supervisor |
| Anthony Rizzo | Animation |
| Emiliano Topai | First Assistant Camera |
| John Irwin | Generator Operator |
| Vern Nobles | Second Unit Director of Photography |
| Jeffrey Mueller | Rigging Grip |
| Nicole Wiwchar | Second Assistant Camera |
| Stephan Maia | Second Assistant "B" Camera |
| Jeremy Braben | Aerial Director of Photography |
| Jim Krauter | Rigging Grip |
| Ron Renzetti | Dolly Grip |
| Michael Flax | Video Assist Operator |
| Michael Carr | First Assistant "A" Camera |
| Gastone Ferrante | Digital Imaging Technician |
| Lara Alexander | Electrician |
| Micael Albrecht | Electrician |
| Dave Ferguson | Key Grip |
| Federico De Marco | Libra Head Technician |
| Jack Tang Man-To | Assistant Camera |
| Kevin Barnes | Best Boy Electric |
| Dean Stinchcombe | First Assistant "A" Camera |
| Jim Holmes | Best Boy Grip |
| Robert Stecko | Camera Operator |
| Adam Tupper | Second Assistant "A" Camera |
| Kristin Mombourquette | Camera Trainee |
| David Allan | Lighting Technician |
| Julia Seidman | Second Assistant Camera |
| Robert J. Bruce | Compositor |
| Saurabh Raut | Compositor |
| Francois Couette | Lighting Artist |
| Peter Armstrong | Digital Intermediate |
| Michelle Kaszai | Digital Intermediate Producer |
| Daniel Lee | Compositor |
| Brendan Taylor | Visual Effects Supervisor |
| Alan Boucek | Compositing Supervisor |
| Ken McCuen | Concept Artist |
| Andy Robinson | Digital Effects Supervisor |
| Keith Sellers | Visual Effects Supervisor |
| Kelly Shanks | Hairstylist |
| Walt Biljan | Digital Intermediate Colorist |
| Bhavik Mehta | Compositing Supervisor |
| Geoff Sayer | Compositor |
| Cyril Frederick Chu | Concept Artist |
| Ayo Burgess | Digital Effects Supervisor |
| Mark Rodziewicz | Lighting Artist |
| Riccardo Zanettini | Lighting Supervisor |
| Vincent Sullivan | Hair Department Head |
| Paul Jones | Makeup Effects Designer |
| Matt Tassone | First Assistant Editor |
| Sigurjón F. Gardarsson | Compositor |
| Thomas Grant Morrison | Lighting Artist |
| Brandon Terry | Visual Effects Editor |
| Mehta Apul | Lead Animator |
| Ryan Kitagawa | Compositor |
| Al Bailey | Compositor |
| Jordan Nieuwland | Matte Painter |
| Anna Guseva | Visual Effects Coordinator |
| Sarah Swick | Visual Effects Producer |
| Bonnie Sutherland | Costume Set Supervisor |
| Christopher Richards | Casting Associate |
| Deirdre Bowen | Casting Director |
| Aj McLauchlin | Digital Intermediate |
| Christopher DeVito | CG Animator |
| Gong Myung Lee | CG Supervisor |
| Patrick Man-Long Wong | Compositor |
| Marco Checa Garcia | Compositor |
| Igor Avdyushin | Lighting Artist |
| Justin Rogers-CdeBaca | Visual Effects Production Assistant |
| Iantha Goldberg | Assistant Makeup Artist |
| Graham Chivers | Prosthetics |
| Erin Daprato | Costume Assistant |
| Gerri Gillan | Ager/Dyer |
| Hannah d'Angerio | Casting Associate |
| Dave Muscat | Digital Intermediate |
| Chris MacLean | CG Supervisor |
| Mike Stadnyckyj | Compositor |
| Eric Robinson | Digital Effects Supervisor |
| Nick Colangelo | Visual Effects Coordinator |
| Carol Hartwick | Key Hair Stylist |
| Wasim Ali | Compositor |
| Nathan Englbrecht | Lighting Artist |
| Natasha North | Visual Effects Coordinator |
| Dawn M. Stoliar | First Assistant Editor |
| Andy Martinez Calzadilla | 3D Artist |
| Trey Harrell | Lighting Supervisor |
| Mahapatro Kalpana | Matte Painter |
| Ryan Cunningham | Visual Effects Coordinator |
| Kimberly Julien | Visual Effects Coordinator |
| Anita Bacic | Costume Assistant |
| Sarah Goodwin | Costume Set Supervisor |
| Jane Rogers | Extras Casting |
| Blair Werschler | 3D Artist |
| Vishal S. Bendre | CG Artist |
| Robert Freitag | CG Artist |
| Paul DeOliveira | Compositor |
| Danni Henderson | Visual Effects Coordinator |
| Jo Hughes | Visual Effects Producer |
| Sim Evan-Jones | Editorial Consultant |
| Eddie Hamilton | Editorial Consultant |
| Keywan Mahintorabi | Compositor |
| Engin Arslan | Lighting Artist |
| Anja Stitic | Lighting Artist |
| Marcin Nikiforuk | Matte Painter |
| Michael DiCarlo | Visual Effects Coordinator |
| Benjamin Mossman | Visual Effects Coordinator |
| Tom Turnbull | Visual Effects Supervisor |
| Robert Doyle | First Assistant Editor |
| Ovidiu Cinazan | Compositor |
| Seema Schere | Matte Painter |
| Tim Warnock | Matte Painter |
| Kelly Noordermeer | Visual Effects Editor |
| Courteney Smith | Visual Effects Production Assistant |
| Leslie A. Sebert | Key Makeup Artist |
| Deniz Rakhmanova | Costume Assistant |
| Roland Heizinger | Tailor |
| Scott Riopelle | Compositing Supervisor |
| Tim Llewellyn | Compositing Supervisor |
| J. Alan Bradshaw | Lighting Artist |
| Tom Nagy | Senior Animator |
| Wayne Thomas | Textile Artist |
| Cecilia Tachini | Wardrobe Assistant |
| Jep Hill | CG Supervisor |
| Brian Fortune | Compositor |
| Sandro Kath | Compositor |
| Matt Dunkley | Conductor |
| Will McConnell | ADR Recordist |
| Bj Prince | Animal Wrangler |
| Mike Hext | Musician |
| Kyle Limkilde | Stand In |
| Peter Persaud | Foley Recordist |
| David Stewart | Musician |
| Rose Gregoris | First Assistant Sound Editor |
| Zach Hunter | Boom Operator |
| Kevin Howard | Sound Editor |
| Jenny Challis | Set Medic |
| Robert Morse | Stand In |
| Christoph Becker | Music Supervisor |
| Sara Holmes | Post Production Accountant |
| Stefan Steen | Production Coordinator |
| Tony Blondal | Orchestrator |
| Richard Bronskill | Orchestrator |
| Seva Solntsev | Sound Re-Recording Mixer |
| Ken Dhaliwal | Legal Services |
| Robert Crocco | Production Assistant |
| Jenna Hamilton | Set Production Assistant |
| Lorenz Dangel | Conductor |
| Andrew Crowley | Musician |
| Dublino Giorgia | Set Production Assistant |
| Adam Lastiwka | Musician |
| Jill Purdy | ADR Editor |
| Greg Chapman | Sound Mixer |
| Jonathan Pencharz | Assistant Production Coordinator |
| Owen Slade | Musician |
| Brad DeWolde | Animal Wrangler |
| Sonia Singh | Second Assistant Accountant |
| Olivia Gudaniec | Stand In |
| David Pyatt | Musician |
| Andrew Tay | Sound Re-Recording Mixer |
| Stephen Barden | Supervising Sound Editor |
| Nolan Daws | Stand In |
| Travis MacKay | ADR Mixer |
| Andrew Stirk | Sound Re-Recording Mixer |
| Bob Tarantino | Legal Services |
| Lisa Berridge | Production Assistant |
| Patrizia Quas | Stand In |
| Jon Mooney | Music Editor |
| Justine Baker | ADR Recordist |
| Ric Schnupp | ADR Recordist |
| James F. Breithaupt | Production Accountant |
| Robert Woolfson | Sound Mixer |
| Ryan Grassby | Production Assistant |
| Bianca Marini | Production Assistant |
| Craig Seitz | Set Production Assistant |
| Steve Baine | Foley Artist |
| Mark Zsifkovits | Sound Re-Recording Mixer |
| Sarah Crompton | Production Executive |
| Jerome Persaud | Production Assistant |
| Verde Antonio | Set Production Assistant |
| Michael Piticco | Stunts |
| Christopher Geggie | Property Master |
| Alain Moussi | Stunts |
| Tracy Shaw | Dolly Grip |
| Robert Johnson | Key Grip |
| Stephannie Hawkins | Stunts |
| Ainslie Thomas | Project Manager |
| Alison Reid | Stunts |
| E. Nova Zatzman | Stunts |
| Larissa Stadnichuk | Stunts |
| Hélèna Laliberté | Stunts |
| Naomi Frenette | Stunts |
| Karl Irvine | Second Assistant Director |
| Pierre Henry | First Assistant Director |
| Vern Nobles Jr. | Second Unit Director |
| Mark Lawton | Special Effects |
| Jason Cavalier | Fight Choreographer |
| Alain Chanoine | Stunt Double |
| Karl Campbell | Stunt Double |
| Shane Cardwell | Stunts |
| Leigh Bianco | Stunts |
| Matt Birman | Stunts |
| Susana Baker | Stunt Double |
| Marie-Ève Beckers | Stunts |
| Neil Adams | Stunts |
| Taryn Ash | Stunts |
| Sharon Canovas | Stunts |
| Nick Alachiotis | Stunts |
| Andrew Butcher | Stunts |
| Alexandre Cadieux | Stunts |
| Dean Copkov | Stunts |
| Brendan Carmody | Stunts |
| Myriam Côté | Stunts |
| Stephane Dargis | Stunts |
| Cosette Derome | Stunt Double |
| Sean Delaney | Stunts |
| Carl Fortin | Stunts |
| Anaïs Frenette | Stunts |
| Stephanie Fonceca | Stunts |
| Ric Garcia | Stunts |
| Naomi Frenette | Stunt Double |
| François Gauthier | Stunt Double |
| Jere Gillis | Stunts |
| Brian Jagersky | Stunts |
| Graeme Guthrie | Stunts |
| Casey Hudecki | Stunts |
| Brayden Jones | Stunts |
| Brook Jones | Stunts |
| Dana Jones | Stunts |
| Jamie Jones | Stunts |
| Ciara Jones | Stunts |
| Riley Jones | Stunts |
| Mic Jones | Stunts |
| Andrei Kovski | Stunts |
| Patrick Kerton | Stunts |
| Mathieu Ledoux | Stunts |
| Joel Labelle | Stunts |
| Danny Lima | Stunts |
| Angelica Lisk-Hann | Stunts |
| Francis Limoges | Stunts |
| Duncan McLeod | Stunts |
| Torianna Lee | Stunts |
| Dwayne McLean | Stunts |
| Geoff Meech | Stunts |
| Louis Paquette | Stunts |
| Daryl Patchett | Stunts |
| Joey Racki | Stunt Double |
| Branko Racki | Stunts |
| Paul Rutledge | Stunts |
| Peter Seaborn | Stunts |
| Ana Shepherd | Stunt Double |
| Darren Shahlavi | Stunts |
| Craig Snoyer | Stunts |
| Stéphane Simon | Stunts |
| Alicia Turner | Stunt Double |
| Max White | Stunts |
| Paul Viger | Stunts |
| Wayne Wells | Stunts |
| Rick Parker | Stunts |
| Sue Parker | Stunts |
| Curtis Parker | Stunts |
| Dimitri Pavlakos | Stunts |
| Eric Paul-Hus | Stunts |
| Moses Nyarko | Stunts |
| Billy Oliver | Stunts |
| Jennifer Murray | Stunts |
| Patrick Murray | Stunts |
| Simon Northwood | Stunts |
| Cotton Mather | Stunt Double |
| Joel McGowan | Stunts |
| Josh Madryga | Stunts |
| Alexander Mandra | Stunts |
| Kevan Kase | Stunt Double |
| Thomas Kane | Stunt Double |
| Howard Green | Stunts |
| Dillon Jagersky | Stunts |
| Neil Davison | Stunts |
