Roth's most popular role was the character of Martha Aebersold in the Swiss comedy serial Fascht e Familie in the 1990s.

[3] Charles Lewinsky, creator of Fascht e Familie, recalls that she played every summer the Chaschperli in Zürich, followed by appearances in films, television series and in the Bernhard Theater.

With her partner Hans Moeckel, conductor of the Swiss Federal entertainment orchestra, she moved to Zürich in the 1970s.

We were very close, "like twins," he said in an interview: She had a quirky sense of humor, was never jealous, spoke directly and lived modestly."

As Trudi Roth's family announced to the Swiss television SRF, the actress and cabaret artist died on the night of 11 June 2016 in a nursing home in Zürich.