Dr. Jonathan Maxwell (played by Dick Van Dyke) is a protagonist in Murder 101.
Mike Bryant (played by Barry Van Dyke) appears in Murder 101.
Cheryl Collins (played by Tracey Needham) appears in Murder 101.
Karl Larch (played by Carmen Argenziano) appears in Murder 101.
Dr. Louise Raymond (played by Lisa Thornhill) appears in Murder 101.
Lt. Dietrich (played by William Allen Young) appears in Murder 101.
Panache (uncredited) (played by Scoot McNairy) appears in Murder 101.
Nelson Raymond (played by Tony Denison) appears in Murder 101.
