Director/co-writer Christopher Crowe helped toss out dummies in the sequence with Scott Glenn in the helicopter. Crowe was supposed to have a safety cord attached to the helicopter to prevent him from falling out, but found out after the sequence was shot that said cord was never attached to the helicopter.
In one scene where a prostitute is being interviewed Rogers, David Alan Grier translates the question from English into Vietnamese, but she replies in Thai.
In an early scene McGriff and Perkins are driving through what is supposed to be the bar district in Saigon, but the names of two famous bars from Patpong, Bangkok, Thailand are clearly visible, "Pussy Galore" and "King's Castle".
Dix: You're floatin' in a big sea of shit and instead of just stayin' in the boat, no, you reach out and you pick up this one little turd and you say "This turd, well THIS turd pisses me off. I'm gonna do somethin' about THIS turd!"
Colonel Sparks: If I am killing Vietnamese prostitutes, I will stay in the aircraft. If I am not killing Vietnamese prostitutes, I will exit the aircraft.