Wilhelmina, the eldest.
Victoria, slightly younger. Plays Elizabeth in the enactments.
Edward, serious, scholarly. Plays Victor Frankenstein.
Henry, jolly. Plays Victor’s friend Henri.
Sophie, sweetly trusting and exuberant. = Justine, the gypsy girl.
Baby, of either sex, about 9 in appearance = William.
Frau Muller, housekeeper.
Airman, hideously disfigured by the fire when his plane crashed.
Igor } grave robbers
Hoffman, Inspector-General of police
Blind old man
Felix, his son.
Any number of gypsies, 8 who speak, / singers/ dancers/chorus/ wedding and prison chapel guests
Minimum of 10, but ideally @ 30 in the cast
Preview available here.