Even when she was being shot from the waist up, Kim Cattrall insisted on wearing heels. She said it made her feel more like Samantha.
Candace Bushnell (author of the book the series was based on) was the one to name Mr. Big. "He was one of those New York guys with a big personality-you just notice him as soon as he walks in the room," Bushnell told New York Magazine. "I called him Mr. Big because he was like a big man on campus."
Kim Cattrall turned down the role of Samantha Jones twice before being convinced by Darren Star's boyfriend to give it a try and shoot the pilot Sex and the City (1998).
The original story between Charlotte and Trey was that he was a very boring husband and the girls didn't understand why she was so happy with him. The writers later changed the character and made him funny and interesting.