During the demonstration, one of the speakers says that the Bronze Star and Purple Heart honors he earned in Vietnam mean nothing. These are the same two honors that director Oliver Stone and the real Ron Kovic received after serving in Vietnam.
A copy of "Johnny Got His Gun," a popular anti-war novel about WW1, is visible on Ron's hospital bed when he learns he will never walk again. In the novel, the main character is a soldier who is mutilated beyond recognition in a war; he has lost both of his arms and legs as well as his sight and hearing.
Oliver Stone's then wife Elizabeth is mentioned in the closing credit roll as Naijo No Ko. This Japanese term means "with the help of my wife" or, more colloquially, "I owe my success to my better half".
This film represents one of the rare instances where Oliver Stone was able to cast his very first choice for a starring role in one of his motion pictures. Tom Cruise was Stone's definite preference for the role of Ron Kovic, a casting decision that Kovic ultimately stood by.