The novel by Mary Roberts Rinehart upon which this film is based was serialized in The Saturday Evening Post from 2 January to 13 February 1932.
This film's earliest documented telecast took place in Tucson Saturday 20 October 1956 on KDWI (Channel 9); it first aired in Salt Lake City Saturday 15 December 1956 on KUTV (Channel 2), in Boston Tuesday 18 December 1956 on WBZ (Channel 4), in Portland ME Wednesday 19 December 1956 on WCSH (Channel 6), in San Francisco Wednesday 9 January 1957 on KRON (Channel 4), and in Phoenix Tuesday 22 January 1957 on KPHO (Channel 5).
In the novel, the nurse is named Hilda Adams.