Crime drama series Private Investigator followed Scottish detective John Unthank as he undertook two cases. The first saw him involved a currency fraud the other saw him working for the National Canine Defence League.
UK / BBC / 9×30 minute episodes / 1958-59 black and white
Creator/Producer: Arthur Swinson
CAMPBELL SINGER as John Unthank
ALLAN McCLELLAND as James Wilson
IAN WHITE as Peter Clarke
DOUGLAS MUIR as Bill Jessel
URSULA CAMM as Mrs Layton