It took Noah Centineo a few moments to finally get in position for an interview with The Hollywood Reporter at Thursday night’s Warfare premiere because every step he took towards the camera led to another hug and tight embrace with one of his co-stars.

“We’ve all gotten quite close,” the 28-year-old actor explained of the bond formed after shooting the intense Iraq-set actioner from the co-writing and directing team of Alex Garland and Ray Mendoza, the latter of whom’s harrowing experience as a U.S. Navy Seal inspired the A24 film. The cast became so close in fact that they shaved each other’s heads in preparation for a three-week boot camp and all got matching “Call on Me” tattoos inspired by the film’s opening scene. (Two actors declined the ink, sources confirmed.)

Warfare follows a platoon of American Navy SEALs on a surveillance mission gone...