Trivia: Frank's brother James is played by Bill Murray's younger brother John. His father is played by Bill's older brother Brian Doyle-Murray.
Trivia: Bill Murray slipping out of the restaurant wasn't scripted, he just slipped on wet steps.
Trivia: Bill Murray wasn't a fan of Richard Donner's direction, saying "He kept telling me to do things louder, louder, louder. I think he was deaf."
Trivia: Director Richard Donner has a cameo as a worker in the control room towards the end of the movie.
Trivia: When Frank is startled by an actor who he thinks is the Ghost of Christmas Future, he elbows his secretary Grace in the face. That was real. Bill Murray really did hit Alfre Woodard by mistake.
Trivia: Scrooge talks to a group of musicians playing around a fire in a barrel on the street. One of them is jazz great Miles Davis.
