[citation needed] In 1938, Warner went to New York after having acted with a radio stock company in Hartford, Connecticut.

[1] Warner's first starring role on radio came when she was 23, playing Rebecca Lane in Beyond These Valleys on CBS.

Warner was the second actor to take the title role and act as the narrator on this short-lived soap opera.

[5] Trudy Warner played leading, supporting and some times guest roles on popular radio series, such as Young Doctor Malone, The Mystery Man, Dimension X, Nick Carter, Master Detective, Dangerously Yours, Suspense, Cavalcade of America, Matinee Theater, The MGM Theater of the Air and dozens more programs.

[6][7][8][9] Her only visual credit is as one of five actresses playing the character of Claire English on the daytime soap opera As the World Turns.