Number One was born and bred for her job. I had developed my own backstory for her that on her planet, she was raised in a litter, so she was raised for her job. But she had heart. I think you’d have found as she developed that she would have showed that heart. There would have been lots of places to go with that. It was terribly disappointing to not play her because I knew who she was.
Majel Barrett, quoted in the Star Trek Communicator magazine, September 2000.