When a corpse is found in the Thames, the only clue is that the dead man was killed by a karate or judo expert.
Length 61 minutes
John Bentley | Patrick Allen | Jacqueline Ellis | Wilfrid Brambell | John Glyn-Jones | Jane Holland | Brian McDermott | Gerald Andersen | Edward Atienza | Ric Young | Robert Lee | Yvonne Buckingham | William Gaunt | Michael Deacon | Arnold Lee | John Horsley | Lesley Nunnerley | Malcolm Russell | Yvonne Shima | Keith Faulkner | Myo Toon | Sano Wong | Burt Kwouk | Timothy Parkes | Howard Pays | Peter Hager | Don McKillop | Robert Russell | Steve Reagan | Ping Ping Sam