Marion: Female. A young pretty maid. Speaks with a lower class accent.
Much: Male. A middle-aged butler. Reserved and solemn. He has an aloof air and speaks with authority and confidence.
Mr Little: Male. A young upper-class twit.
Mrs Dale: Female. A middle-aged femme fatale, with an upper-class accent, which sometimes slips. Tartily dressed and wearing too much makeup.
Reverend Tuck: Male. A middle-aged, comical vicar. Wears spectacles and an ill-fitting wig.
Herr Scharlach: Male. A middle-aged German. Has an upright, military bearing and a sinister hint. Has a Hitler-style moustache.
Mr Holmes: Male. A young private detective. Incompetent but does not know it.
Miss Gordon: Female but could be played by a man. A large, middle-aged spinster. Very outspoken and loud. Speaks with Lancashire accent. Slightly deaf. Dressed in a mannish way i.e. tweed two-piece and hat, brogues, shirt and tie.
Doctor Hood: A female GP. Smartly dressed.
Preview available here