At the height of the London blitz, Dr Lennox Collins, pioneer of the new forensic science, is enlisted by DI Wilkins after prostitute Mary Williams is strangled and a swastika carved on her tongue.
Geoffrey SaxDirector
Molly Cooper
Lennox Collins
Issy Quennell
Professor Stephens
Freddie Wilkins
DS Brady
Danny Hastings
Mrs. Clayton
Charlie Maxton
miss Jenkins
Gilda
Dixie
Ronald Terry
