Mike's Brady Bunch character Bobby was the child in the show that they had the hardest time finding an actor for, and Mike was the last kid hired for the series. They originally overlooked him because his hair is naturally red, but after they hired a brunette boy for the role, they decided they liked Mike much better, so they asked him to take the part and dye his hair brown.
Mike Lookinland: I guess show business is in my blood, because I really enjoy every phase of it. It was great getting together with the Brady Bunch again. We all lost contact with each other for the three years we were off the air. As long as there's a Brady Bunch, I hope that I'll be a part of it. I just hope people realize that we grow also.
Mike Lookinland: (said in an interview in 1977) I'm so happy that The Brady Bunch is back on the air. It's a bit strange doing the show again, I might add. For one thing, we've all grown up a bit. I know people remember us as kids, and although 16 isn't that old, I do feel more mature and knowing what's happening.