The script held in the Crawford Collection in the AFI Research Collection contains the following character notes (excluding regular characters):
'SERGEANT JOAN PALMER: 35. A woman detective assigned to Yarra Central to investigate missing females.
'RALPH MORRIS: 45. A respected Yarra Central Councillor. Also the masked rapist.
'ROSS FARREL: 35. When his wife disappears he is suspected by Police of murdering her.
'JENNIFER FARREL: 30. 1st victim. She is abducted by the rapist and left to die in a storm water sewerage drain.
'KATHY BISHOP: 25. Ross Farrel's secretary. She and Ross had an affair in the past.
'CINDY MORRIS: 20. Ralph's daughter. A go go dancer.
'SUE CHAPMAN: 25. 2nd Victim. She is rescued by Police before the rapist can abduct her.
'CLAUDE: 60. A derelict. Works part time for the council sweeping streets. At one stage is suspected of being the masked rapist.
'MRS GRAY: 50. Jennifer Farrel's mother. She tells the Detectives of Ross's affair with his secretary.
'MRS TAYLOR: 60. Witnesses 2nd attack. Feels helpless.'