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".
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.
Just before Gregory Hines takes a hold of the crying baby, a glimpse shot of its face is seen and the child is clearly not upset.