(Barry Van Dyke), and Norman Briggs (Michael Tucci in seasons 1–4), a hospital administrator and a close friend of his. Also assisting Dr. Sloan are his colleagues, medical examiner/pathology Dr. Amanda Bentley (Victoria Rowell) and Dr. Jack Stewart (Scott Baio in the first two seasons), who is later replaced by a new resident, Dr. Jesse Travis (Charlie Schlatter from season 3 onward). Episodes Diagnosis: Murder had a total of eight seasons and 178 episodes which were broadcast on CBS between 1993 and 2001. Cast Main Dr. Mark Sloan (played by Dick Van Dyke), Former army doctor and Chief of Internal Medicine at Community General Hospital, and protagonist of the series. Son of a police officer and father of another, in whose cases he often gets involved. He is a medical consultant to the LAPD. Dick Van Dyke was considered for the lead role after the positive reviews he received from his dramatic role in the 1990 movie Dick Tracy (although the character he played in the movie was villain and very different from the role of Mark Sloan). In the pilot the character had interests in tap dance and clarinet playing; however, these were considered distracting and were toned down and eventually removed from the character as the series developed. Lieutenant Detective Steve Sloan (played by Barry Van Dyke), a detective sergeant (later lieutenant from season 2 onward) in the Robbery/Homicide Division of the LAPD and Dr. Mark Sloan's son. After an earthquake destroyed his apartment, he lived in a separate apartment in his father's beach house in Malibu, California. Steve often uses his "patented" dive to apprehend criminals. Dr. Amanda Bentley (played by Cynthia Gibb in the TV Movies set before the series), later Bentley-Livingston (played there by Victoria Rowell), resident Pathology at Community General Hospital and assistant County Medical Examiner, who is also Dr. Mark Sloan's double act and medical partner, involving in each of Mark's & Steve's cases, after the accident. As a favorable character of the show, she also dated Jack and was later Jesse's best friend. During the series, she married a military man, and had a son named C.J. Depending on the episode, she divorced him or he was killed in an airplane crash. Later in the series, she adopted another boy, Deon. Dr. Jack Stewart (played by Stephen Caffrey in the TV movies, Scott Baio in the series from 1993 to 1995, seasons