The character played by Avi Rothman has the name Steve Lemmaduche, obviously relating to the fact that he took Connor's role on CFI: Hotlanta. Connor is played by actor and member of the Broken Lizard, Steve Lemme
The disease the Lone Diner says he is dying of, Schistosomiasis, is a parasitic "flatworm" infection carried by freshwater snails in Africa. Schistosomiasis is one of the most common parasitic disease in primitive areas. Schistosomiasis is almost never directly fatal, but a chronic years-long infection can cause organ damage, several cancers, and in children can cause developmental problems. Schistosomiasis rather easily cured with Praziquantel.
Lance Henriksen plays a television producer named Dick Lobo; this character is supposedly based on Law & Order (1990) creator Dick Wolf. Lobo means wolf in Spanish.
In the scene where Guy moves to second place and he exclaims his joy about the prize, next to him Connor is shown picking up a tray of shrimp cocktail. In the very next shot, Connor is shown picking up the same tray again.
Early in the movie when Connor is telling his story about Morgan Fairchild, the hostess seats the restaurant's first customer in Guy's section. After Connor's story, the hostess tells Connor that she sat somebody in his section also. While Connor is waiting on the couple, Nuts announces the entrance of the Champ. During so, we can see that the restaurant is now heavily occupied instead of having only two tables occupied.
Cleon Salmon: Well, if a trip to the Bahamas ain't gonna get the molasses out your asses, maybe $10,000 will do the trick. That's right, new prize. Top waiter leaves here tonight with ten grand in his pocket. You know what ten grand feels like in your pocket? It feels like a third cock.