Stage actress in occasional films. Ensemble member of the Vienna Burgtheater from 1924 to 1990. Founded the organisation 'Künstler helfen Künstlern', a home for ageing or retired performers, in 1955.
She remained true to the theater after the war, but beside it she continued acting in front of the camera.
Hilde Wagener was the leader of the society "Künstler helfen Künstlern".
She was married with the actor Otto Tressler, her son Georg Tressler became a well-known director.
The actress Hilde Wagener was especially at home at the theater, in movies she only appeared sporadically.