Kathryn Crosby is a retired American actress and singer who performed in films under the stage names Kathryn Grant and Kathryn Grandstaff.

Anatomy of a Murder is a 1959 American courtroom drama film produced and directed by Otto Preminger. The screenplay by Wendell Mayes was based on the 1958 novel of the same name written by Michigan Supreme Court Justice John D. Voelker under the pen name of Robert Traver. Voelker based the novel on a 1952 murder case in which he was the defense attorney.