That’s A No From Me
Gene Hackman, one of the Hollywood’s rising actors at the time, was first considered for the lead role of Mike Brady. But he was later replaced with Robert Reed, who had a more established acting career during the casting period.
The Lisp Is Real
Susan Olsen, who played the youngest Brady daughter, worked with a speech therapist in her 20’s because she had a lisp in real life. Her lisp made some of her lines so awkward that they had to keep redoing certain scenes.