The script held in the Crawford Collection in the AFI Research Collection contains the following character notes (excluding regular characters):
'JANIE MITCHELL. 25-30 years. An emotional, intelligent and highly sensitive girl of more than average intelligence. An ex-University Student, now writing a novel. The break-up between her and Dave leads to a schitzophrenic mental state, a happy, romantic and highly imaginative girl and a potential phychopathic [sic] killer.
'DAVE GIBBS. 25-35 years. A failure at University, a man with good intentions, but, through character weakness, bad results. Has served a jail sentence in Western Australia, after a weak attempt at a hold-up. Has lived with Janie, is now engaged to Pam Harper.
'PAM HARPER. 25-30 years. Attractive-looking, rather empty-headed, but determined in a feminine way.
'MERLE. 40-50 years. A kind, simple soul. Lets rooms in down-at-heel boarding house, "Aloha". Used to living in semi-squalor.
'MRS COLLINS. 25-30 years. Normally a quiet woman, proud of her baby. But because of her loss, she is only just able to retain control of herself.
'DR. BIRRELL (Or actor to emulate him.)
'EXTRAS. Two women in Police Station required to weep. One man in street. No speech.'