The script held in the Crawford Collection in the AFI Research Collection contains the following character notes (excluding regular characters):
'EVE HARRISON
'THE KILLER. LATE TWENTIES. SEXY GOOD LOOKS. A VICIOUS, SCHEMING WOMAN WITH TWO INTERESTS IN LIFE - MONEY AND MEN, IN THAT ORDER. TAKES A LOT TO SHAKE HER COOL. IMPORTANT THAT SHE HAS SHOULDER-LENGTH HAIR, PREFERABLY DARK.
'ROLLO NELSON
'REFFER-SMOKING HIPPY, BEARDED AND/OR MOUSTACHED, LONG HAIR. ANTI-ESTABLISHMENT, RUTHLESS, CALLOUS GO-GETTER. MID-TWENTIES. SHOULD DRIVE WELL. POLICE RECORD.
'CHARLES ALLEN.
'MANAGER OF HARRISON ELECTRONICS. LATE 30'S OR EARLY 40'S. GOOD LOOKS, BORDERING ON EFFEMINATE. AMBITIOUS AND OFFICIOUS, WITH A NARROW-MINDED STREAK WHERE MORALS ARE CONCERNED. A 'COMPANY' MAN. DRIVES A CAR.
'SID BENNET
'EVE'S LEGAL HUSBAND (SHE NEVER DIVORCED HIM BEFORE MARRYING HARRISON.) FAIRLY RUGGED LOOKS. HAS SERVED A PRISON SENTENCE BECAUSE OF EVE AND IT HARDENED HIM, MADE HIM A LITTLE BITTER. EARLY 30'S.
'MARION GREEN
'ALLEN'S SECRETARY AND HARRISON'S MISTRESS. EARLY 20'S AND NICE LOOKING. A 'DECENT' GIRL DESPITE HER ILLICIT RELATIONSHIP WITH HARRISON. PREFERABLY SHOULDER-LENGTH HAIR LIKE EVE'S SO WE AS TO CONFUSE AUDIENCE A LITTLE MORE.
'"THE DUKE"
'A HOBO WHO WITNESSES HARRISON'S MURDER. INDETERMINATE AGE, SAY 40/50. STUBBLED, LINED FACE. UNKEMPT. A WINO WHO SLEEPS IN PARKS AND KNOWN TO POLICE BECAUSE OF MANY CONVICTIONS FOR DRUNKENNESS OR VAGRANCY.
'MICK CALLAGHAN
'OWNER OF CAR-WRECKING YARD WHERE HARRISON'S BODY IS FOUND. LATE 40'S. COUPLE LINES.
'MOTOR MECHANIC
'SENT TO REPAIR HARRISON'S CAR'S LEAKING BRAKE LINE. YOUNGISH. FEW LINES.
'FORENSIC MAN
'POLICE SCIENTIST, STOCK CHARACTER (FEW LINES)
'UNIFORMED DIVVY MEN (2)
'FEW WORDS EACH
'EDWARD HARRISON
'THE VICTIM, RICH OWNER OF HARRISON ELECTRONICS. (NON-SPEAKING. HIS 'BODY' IS NEVER SEEN CLEARLY OR IN FULL. DUMMY WOULD SUFFICE.)'
