Lynne Thigpen's last film. She died only a month before the film's release. The film is dedicated to her memory.
Buddy picks up a golf club and a baseball bat before choosing the baseball bat to smash the window of the Lexus. In 1994, Jack Nicholson was cited for smashing a man's window with a golf club in a bout of rage.
Harry Dean Stanton played the blind old man with the cane in the film. He was Jack Nicholson's best friend, and was cast as the old man at Nicholson's suggestion.
Adam Sandler originally tried to get Eddie Murphy for the role of Dr. Buddy Rydell. Steve Martin, Robert De Niro, Bill Murray, and Dustin Hoffman were also considered for the role.
Adam Sandler donated copies of this movie to U.S. military bases supporting Operation Enduring/Iraqi Freedom in the Persian Gulf as soon as it was released. The donated version contains a five-minute introduction by Adam Sandler, who personally thanks the troops for what they are doing.
John McEnroe: One of the celebrity clients in Dr. Rydell's anger management class. McEnroe is infamous for his angry outbursts during his career as a professional tennis player.