Cast the Expert: Bob Fosse decided to cast a real-life Broward County Bailiff in the role of the Dade County Bailiff who would drag Lenny out of the Courtroom. Aldo DeMeo, the President of the Bailiff's Association at the time, was offered the role.
Self-Adaptation: Julian Barry wrote the screenplay, based on his stage play.
Al Pacino was offered the part of Lenny Bruce but turned it down. He later said he regretted it after seeing the film. Neil Diamond was also offered the role.
Raquel Welch was offered the role of Honey Bruce. She turned it down because she didn't think she could play it.
