Continuity mistake: When Cronauer first goes with Tuan to see the Vietnamese village, he is wearing a white shirt. In a subsequent shot, the shirt is plaid.
Continuity mistake: Garlick finds Cronauer sitting at a table with a couple of new friends in a local eatery and stands next to the DJ to tell him he has been reinstated to his job. At one point Cronauer grabs a piece of green salad with his chopsticks and puts it to his mouth and in the next shot from behind, it is the strands of white noodles that can be seen dangling from his lips.
Continuity mistake: Before Adrian Cronauer does his first broadcast on the air, he puts on headphones with a side cord on his right. After a quick cut to another man in a booth, the side cord has moved to the left, and just before the broadcast begins, the cord has moved back to its original position.