Lisa Mazzotta, who plays Frenchie, is actually an English-speaking Canadian who speaks no French.
The Mexican accent used by Umberto Celisano to portray the role of Benito "Al" Juarez was so good, that the Producer actually thought that he was Mexican.
The character of Jackie "YoYo" Chan played by Kent S. Leung starts every scene with the word "Yo".
The Old Guy played by Homer Powell appears in every scene in the movie.
The words "giz" and "cock" appeared over 100 times in the first draft of the screenplay.