Bracey, 26, joins Andrew Garfield, Vince Vaughn and Sam Worthington in the film, reported Deadline.
The film has the story of Desmond Doss, the first Conscientious Objector in American history to be awarded the Medal Of Honour for bravery in World War II.
"Hacksaw Ridge" shoots in Australia. Bracey plays Smitty, the hard-nosed alpha dog of Doss' platoon.
While Smitty and Doss at first seem to be complete opposites, the realities of war prove they share more than they initially thought.
Garfield, 32, plays Doss and the story unfolds during WWII and follows the soldiers of the 307th Infantry, 77th Army Division, 1st Battalion, Company B as they train for battle.
The film is produced by Bill Mechanic and David Permut, with Terry Benedict and Steve Longi the co-producers. Robert Schenkkan and Randall Wallace has written the script.