DVD Region 4. Consultant, Dr Mark Sloan (Dick Van Dyke) has a knack for getting into trouble, negotiating the twists and turns of mysteries and solving crimes with the help of his son, Steve, a homicide detective played by real-life son Barry Van Dyke.. Actors: Dick Van Dyke. Director: . Languages: English. Subtitles: . Running Time: 8580 minutes approx. Discs: 45