[1][2] It was based on the real life disappearance of Dorothy Arnold.
Elliott also adapted the script for radio, and a play version was broadcast in Australia in 1954 for The General Motors Hour.
"[5] Elliott reworked the material for "Whereabouts Unknown", an episode of The Kaiser Aluminum Hour starring MacDonald Carey and Kim Hunter.
[6][7] The Buffalo News wrote "Kim Hunter had a great role and she lived it up to the hilt... the play built to a poignant finale.
"[8] The Atlanta Journal called it a "superficial drama" which "wasted the talents of Kim Hunter.