This was Paul Maxey's last appearance. (He played the plump man and previously often played Santa.) He passed away four months later on June 3, 1963.
When Raymond Burr missed several episodes due to illness, he was replaced by several guest attorneys who were played by Bette Davis, Walter Pidgeon, Hugh O'Brian and Mike Connors, as well as Michael Rennie as a law professor.
The ominous music that plays in the background when Janice is being extorted was used as the theme music for the Radio Mystery Theater.
The identification of Janice by Hawes and Diaz at the Norland home would not hold up in court and could have tainted the testimony of Hawes and Diaz. Such identifications have been declared unusable in court because they involve only one subject and are overly suggestive to the witnesses. In his cross-examination of them, Lindley should have asked Hawes and Diaz about the identification at the Norland home and moved to strike their testimony.
The "ominous music" mentioned above was also used in "The Twilight Zone", notably in the season three opening episode, "Two" (1961, with Charles Bronson & Elizabeth Montgomery).