Kellan Lutz as Sy Lombrok

Daniel MacPherson as Kane Sommerville

Isabel Lucas as Gyp

Luke Ford as Bill

Rachel Griffiths as General Lynex

Temuera Morrison as Warden Mourdain

Bren Foster as Charles Kreat

Luke Hemsworth as Travek

Zoe Carides as Rominja

Zoe Ventoura as Sgt. Cognit

Louise Dodge as Rescue Officer Fitzgerald

Dwaine Stevenson as The Ragged

Teagan Croft as Indi Sommerville

Grace Huang as Jandi

Firass Dirani as Carmel

Harry Pavlidis as Hopper Joe

Paul Winchester as Mandel

Brendan Clearkin as Bostok Kramer

Vincent Andriano as Vim Martin

Andy Rodoreda as Colonel Michaels

Ian Roberts as Nimal

Stephen Leeder as Antonio

Dean Kyrwood as Rescue Officer Muzz Whittemore

Bianca Bradey as Shae Holliday

Aileen Beale as Lt. Crestal

Caleb Alloway as Secretary Millan

Kristy Best as Kiara

Louisa Mignone as April Sommerville

Chris Broadbent as Intern Doctor

Scott Broadfoot as Military Guard

Kevin Copeland as Attacus Reece

Michael Gelonesi as Intern nurse

Lauren Grimson as Warden's Assistant

Nick Hunter as Court Guard

Denning Isles as Inmate / Ragged

Marcus Johnson as Captain Lemar

Hiroshi Kasuga as A Prisoner

Kathy Luu as Nurse Tammy

Grant Lyndon as Dr. Curuthers

Richard Maait as Nurse

Peter Maple as Prisoner X

Felicity McKay as Nurse

Joshua Morton as Ambo

Sean James Murphy as Clay Blaxton

Aaron Scully as Prisoner

Jean-Pierre Yerma as Prisoner

Ford Sarhan as Lynex's Assistant