Mark
Doctor Mark Sloan
Played by: Dick Van Dyke
The chief of Internal Medicine of Community General Hospital, Dr. Sloan also finds himself acting as a medical consultant to the Los Angeles Police Department.- Amateur Sleuth: Being a doctor doesn't normally translate to being a good detective, but Mark proves himself time and time again to be as on par with his son in detective skills.
- Bunny-Ears Lawyer: "Eccentric" doesn't begin to describe Dr. Sloan, and yet he has great medical skills and is a brilliant detective.
Steve
Lieutenant Steve Sloan
Played by: Barry Van Dyke
Amanda
Doctor Amanda Bentley-Livingston
Played by: Cynthia Gibb (Pre-series TV Movies), Victoria Rowell (Series)
- Race Lift: She went from a White woman in the tv movies to a Black woman from the start of the series onward.
Jack (Pre-series Movies)
Doctor Jack Parker
Played by: Stephen Caffrey
Jack (Series)
Doctor Jack Stewart
Played by: Scott Baio
Jesse
