The script held in the Crawford Collection in the AFI Research Collection contains the following character notes (excluding regular characters):
'JACK PARSONS Forty-ish, a man of pathetic anger and anxiety. A private detective who hates his work, is under pressure because of medical expenses for a chronically asthmatic wife. Becomes involved with criminals. Actor able to drive.
'BETTY PARSONS Forty-ish. Parsons' asthmatic wife. She feels sorrow for what her husband has become, but conceals this from him. Realizes he is in some kind of trouble, but is afraid to find out what it is.
'RICKY PEEL Mid-thirties. A hard and vicious criminal who is basically a coward. The kind of man who beats his children and expects them to love him. Physically, a quite formidable type.
'SHIRLEY PEEL Mid-thirties. Under a hard veneer, she is a good mother. She loathes her husband completely, and fears him.
'RONNY RAYNOR Late twenties. A young crim., mate and admirer of Ricky Peel. Has been in plenty of trouble with the police before, and will probably finish up doing a long sentence for a vicious crime. Physically intimidating. Actor able to drive.
'JUNE ANDERSON About Frank Banner's age. Was quite a plain girl who has become beautiful by sophistication. She loved Banner and lost him to Joy. She has come back to show Banner how well she has got on without him, but finds herself falling in love all over again like a young girl.
'CONSTABLE HOOPER A lanky, idle, disgruntled first constable.
'SAMMY JUDD Established in previous eps.
'RESTAURANT WAITER Expensive red-jacket type.'