A team of space marines known as the Rapid Response Tactical Squad, led by Sarge, is sent to a science facility on Mars after somebody reports a security breach. There, they learn that the alert came after a test subject, a mass murderer purposefully injected with alien DNA, broke free and began killing people. Dr. Grimm, who is related to team member Reaper, informs them all that the chromosome can mutate humans into monsters -- and is highly infectious.
Dwayne Johnson
as Sarge
Karl Urban
as John "Reaper" Grimm
Rosamund Pike
as Samantha Grimm
Deobia Oparei
as Destroyer
Razaaq Adoti
as Duke
Al Weaver
as The Kid
Ben Daniels
as Goat
Richard Brake
as Portman
Dexter Fletcher
as Pinky
Doug Jones
as Dr. Carmack Imp / Sewer Imp
Brian Steele
as Hell Knight
Yao Chin
as Mac
