The script held in the Crawford Collection in the AFI Research Collection contains the following character notes (excluding regular characters):
'HANNA LEITZ: About 56. Came to Australia from Poland in 1958. Speaks English with a heavy accent. A small woman whose life is dominated by her adoration for her dead son, and her formidable guilt complex on the other. Devout Orthodox Jew.
'CRAIG HENDERSON: 17, but looks younger. A golden headed boy, charming on the surface, but with a violent sadistic streak. Australian.
'MRS CONNOR: Garrulous busybody of Irish ancestry. Very loud, and about 45.
'ITALIAN DRUNK: Expansive drunken shearers cook. 40.
'MORGAN: Night manager of service station. 55?
'WARD SISTER: Mid 30s. Efficient, practical.
'OLD MAN: 70. All he lives for is his dog. Decrepit.
'FRANK HENDERSON: 45. Alcoholic crim. Has been in Pentridge most of his life. It is essential that neither he nor Rita (below) should be played for laughs.
'RITA: Frank's mistress. 40. Fat and blowsy. Please don't send her up.
'GARAGE MANAGER: 40. Cheerful Australian.
'ATTENDANT: 22. Mechanic. Australian.
'ETHEL JACOBS: The antithesis of Hanna. A cheerful, jolly woman. 50. Preferably Jewish.
'POLICE CONSTABLE ONE: Young, speaking
'POLICE CONSTABLE TWO: Young, speaking'.