The script held in the Crawford Collection in the AFI Research Collection contains the following character notes (excluding regular characters):
'DAVID FLEMING: 40ish. Property Developer and Speculator. Outwardly the suave successful and very wealthy businessman. A compulsive gambler.
'COLIN MORGAN: Mid forties. Fleming's partner and brother-in-law. Formerly an accountant. He goes along with Fleming on the pretence of protecting his sister. In fact, he just doesn't have the guts to do otherwise.
[Note: The apostrophe in "Fleming's" has been added in black ink.]
'SANDRA FLEMING: Mid thirties. Fleming's wife. Bored, comfortably kept, neurotic but with good cause. Unaware her husband's gambling is a problem.
'CHARLIE EVANS: 30ish. Big, burly, and simply. Mildly retarded - an invalid pensioner.
'LANDLADY: (MRS REILLY) Affectionately known as "Ma". Boarding house proprietoress.
'BOOKIE: (BERNIE HOLT) A medium operator. Like all Bookies a gambler himself.
'SECRETARY: (JAN) Early 20's. Flemings secretary [sic].
'NANCY: About 20. Shop assistant. Coarse, but kind.
'STREET CLEANER: Semi retired - bit of a hard case.
'WOMAN SHOPPER:
'AMBULANCE MAN:
'DOCTOR:
'SGT. ROGERS:
'SHOP ASSISTANT.'