Ann Rutherford's debut.
This film's initial telecast in New York City took place Monday 7 October 1957 on the Late, Late Show on WCBS (Channel 2); in San Francisco it was first aired 27 May 1958 on KGO (Channel 7), and in Philadelphia it sneaked out of the MGM vault 4 August 1959 on the All Night Show on WFIL (Channel 6).
The magazine on Lippencott's desk, seen as he describes his attack, is a real publication - "X Marks the Spot: Chicago Gang Wars in Pictures". It was a special one-off magazine published in 1930 by newspaper reporter Harold "Hal" Andrews. It was a sensation for its day, containing crime scene photos usually not printed in newspapers at the time. The title refers to what was typically printed - a photo of the scene with an "X" where the body was, after it had been removed.