 Luddy was a member of the dramatic cast of the "Chicago Theater of the Air".One of Luddy's better known roles on radio was being a regular performer on "The First Nighter Program" from 1936 until the series ended in 1953.In 1937, she and fellow "First Nighter" actor Les Tremayne set what a contemporary newspaper article called "a precedent ... when these signed long term contracts calling for their exclusive services" on the program."