Gunnery Sgt. Ray "Casey Kasem" Griego

Gunnery Sgt. Griego rides with Bravo Company's convoy, his voice constant on the radio net — clipped, rhythmic, almost musical, which is how he earns the nickname "Casey Kasem." A career NCO doing his job amid the chaos of the invasion, he keeps traffic moving and Marines oriented, present more as a voice than a face at first.

The show is built from real radio chatter and battlefield noise, and Griego's nickname captures something true about war's strange textures — even in combat, soldiers find odd, human ways to needle each other. David Barrera plays him with dry professionalism, letting the joke of the name sit against the seriousness of the work without ever undercutting either.