The names of the victims in the cast of characters are fictional and not the names of the actual victims of Ted Bundy.
In the scene when Ted and his girlfriend Lee are celebrating with friends at a party, a woman walks up to Lee introducing herself as "Beverly" and talks to her about working with Ted at a crisis center. Her character is clearly a reference to Ann Rule, a true-crime author who met and worked with the real Ted Bundy at a crisis center in Seattle, Washington during the early 1970s. Furthermore, Rule did, in fact, meet and talk with the real Ted Bundy's girlfriend at a Christmas party one year. Rule would later write a book about Bundy and his murders.
Photographs of the real Ted Bundy are featured in both the opening and closing credits of the film.
Rob Lowe, 'Peter Saarsgard', and Kiefer Sutherland were each offered the role of Ted Bundy. All of the actors refused due to the nature of the character. If Sutherland played Bundy, this would have been his second collaboration with Matthew Bright since Freeway (1996).