by Elwyn Jones
[Starring] Stratford Johns as Det. Chief Supt. Barlow, Frank Windsor as Det. Supt. Watt, Norman Bowler as Det.-Insp. Hawkins, David Lloyd Meredith as Sgt. Evans, Terence Rigby as PC Snow, Susan Tebbs as P/W Det.-Con. Donald
with Walter Gotell as Chief Con. Cullen
Barlow: "I have to put it to you, Harry."
Hawkins: "Yes, sir."
Barlow: "Under caution even."
Hawkins: "I understand, sir, that I am not obliged to say anything, but whatever I do say will be taken down in writing and may be given in evidence."
