Trivia: In Richard Corliss' review of the film in Time magazine, the first letters of each paragraph spelled out "She is a he."
Trivia: When Roy is flipping through the channels while he is in the TV, he flips over the couch. Two girls come in and ask, "Where have you been?" Roy screams at the panning camera and leaves. That show was Three's Company, which made John Ritter famous.
Trivia: When Charlie and Frank fly from Boston to New York there is an airport scene before they depart, but the airport in this scene is Newark Liberty Airport in New Jersey, which is already by New York and very far from Boston.
Trivia: At the beginning, Robert Downey Jr, as Chaplin, sits down to take off his make-up. On the table is a picture of Geraldine Chaplin who is Chaplin's daughter, and later she plays his mother.
Trivia: The film was originally shot under the title "Lame Ducks" (hence the animated duck in the movie's title sequence), and studio Paramount was going to give it a tremendous marketing push, hopeful that it would kick-start an ongoing comedy series. However, the Zucker Brothers, who were the main producers of the film, had a falling out with Paramount and left the studio during post-production. Paramount purposely sabotaged the film's marketing and changed the title in a bid for retribution. It bombed at the box office, but thankfully subsequently made a profit on home video as a sleeper-hit thanks to positive word-of-mouth.
Trivia: When they are in the board meeting going over the perfume names, Grace Jones whacks Eddie Murphy in the face with a pad of paper. According to the commentary, this was not scripted. Grace Jones ad-libbed the bit, really hitting Eddie, and his reaction is genuine.
Trivia: Dale Cooper's role was originally larger than it appeared in the final film. Kyle MacLachlan had originally declined to appear, for fear of being typecast. To compensate, his role was downgraded to a minor cameo, and a new character was created to fill the role of lead investigator.
Trivia: The young nun in the hospital who informs Hoffa and Bobby that Flynn is dying is played by Jack Nicholson's daughter.
Trivia: Although Edie McClurg plays Stephen Shellen's mother, she is only six years older than Shellen in real life.
Trivia: Though Alec Baldwin's character never introduces himself, in the script his name is Blake.
Trivia: When a Spengo guard is shot in the fortress docking bay, he yells a Wilhelm scream.
Trivia: Robbie Coltrane was the producers' first choice for the role of Columbus.
Trivia: Shot back-to-back with "Critters 3."
Trivia: The name of Harvey Keitel is never revealed during the film and is only credited as "LT."