Gentleman Caller

Will Rudolph (aka The Gentleman Caller) is the secondary antagonist of the novel and movie of the same name, Kiss the Girls. He was an accomplice for Nick Ruskin, also known as "Casanova." Together Will and Nick raped and murdered young and beautiful women under their own names.

He was portrayed by Tony Goldwyn in the film.

Biography
Much like his accomplice, not too much is know about his past, though it is very briefly stated that his father abused him as a child. What else is known, is that in 1981, while he was in college, he had stalked a young couple in Chapel Hill, North Carolina on a lake. Somehow, Nick Ruskin was the only one who found about this, confronted him about it, and convinced him he could trust him. It was from that point on that the two began on their own murder sprees together. He eventually became a doctor, which came in handy for Nick who would use his drugs to sedate his victims.

Methods
Unlike Nick Ruskin, who was at least more calculating and somewhat civil in behavior and had rules on whether or not he would kill women, Will had no rules. He would kill any women right on the spot in the most brutal of ways. He would even  threaten "bonus kills"  weren't published in the papers of a Las Angeles reporter, Beth Lieberman. His methods often included cutting off his victims fingers and feet to keep them as trophies.

Defeat
After one of Nick Ruskin's victims, Kate McTiernan escaped and confronted Alex Cross about finding the killer, Will was the first one suspected as Casanova. Alex and some of the other cops kept following and spying until at one point, he invited a young girl to come over to his cabin. Realizing this would lead to no good, Cross and the other cops broke in as they heard her screaming and managed to scare Will off before he could do anymore damage. This led to car chase involving Cross and Will, which only ended with Will escaping and Cross getting injured. Eventually, both Nick and Will broke into Kate's home, and while Nick was beaten down somewhat quickly, Will managed to take her by surprise and beat her to a coma for a while. He even expressed a desire to "nibble" on her skin, but Nick dissaproved. Late in the novel, Alex and his partner, Sampson, discover where they are both keeping the women and while Nick managed to escape, Will is shot to death by Cross.