Michael Wright's character's name is popularly mispronounced as Eddie "Kane", or "Caine", because of the southern drawl. However, his name is actually Eddie King, Jr.
When Duck is eating Kentucky Fried Chicken in the hallway of the hotel, the logo on the bucket of Colonel Sanders is clearly one that did not exist until the 1980's.
In the restaurant scene when Duck asked the girl her phone number she said 555-.... In the 1960s phone numbers had five numbers preceded by two letters.