Laughton's speech about women that began "There was a man in the land of Uz" was so popular Hedda Hopper printed it in full in her column in the 9 September 1948 edition of the Los Angeles Times.
In a later publication, Elsa Lanchester related that Gertrude Lawrence would not learn her lines and had them written on the cuffs of her costume or on furniture on the set.
The painting represented by Rembrandt posing the street beggar and his son is "Saul and David". The situation is based on 1 Samuel 16:14-23 in the Bible. It was painted sometime between 1651 and 1658 and hangs in the Mauritshuis in The Hague, Netherlands.
Sam Livesey, the father of three other actors in this movie--Roger Livesey, Barry Livesey, and Jack Livesey--died the day after this film was released in London.
The film was given a "B" rating by the National Legion of Decency - morally objectionable in part for all.