According to Karen, Jack Nicholson took her to meet with Mike Nichols for a role in this film.

Mike Nichols had spent six months looking for the right girl to play the part of Bobbie. He had considered and rejected Dyan Cannon.

Mike Nichols had spent six months looking for the right girl to play the part of Bobbie. He had considered and rejected Jane Fonda.

Mike Nichols had spent six months looking for the right girl to play the part of Bobbie. He had considered and rejected Raquel Welch.

Mike Nichols had spent six months looking for the right girl to play the part of Bobbie. He had considered and rejected Raquel Welch, Jane Fonda, Dyan Cannon, and Natalie Wood.