Her breakthrough celebrated Ursula Schäppi in 1975,[1][2] at Bernhard-Theater Zürich as Heideli in the premiere of Max Rüeger's "Hochzeit in Hägglingen", under the direction of Inigo Gallo,[3] followed by regular appearances in the Bernhard-Theater, at first mainly in cabaret revues by Charles Lewinsky,[4] Fredy Lienhard and Hans Gmür, later in Swiss dialect versions of boulevard plays, for example, in 1988 in the title role of Jack Popplewell's successful play "Katharina die Kühne" and Swiss tour performances and television broadcasting.
[1] National merits gained Ursula Schäppi since 1977 through her appearances on Swiss television as Goof or Göre Ursula (cheeky girl) in Kurt Felix' "Teleboy", by her television show 10 x Schaeppi and as Eva Chifler in "Traumpaar" with Walter Andreas Müller when even a song was listed in the Swiss radio charts.
[5] Starting in 1987, Schaeppi produced independent theater productions with Haas, Romano and Müller, in which she also starred and for which she often wrote the Swiss dialect versions, including in 1987 the Swiss premiere of Pierre Chesnot's "Vier linke Hände" with Müller and directed by Haas, in 1991 as "Käthi - Superstar", and in 1994 the dialect version of "Die Sternstunde der Hanna Bieder", which on Gastspieltheater Zürich was resumed in 2000.
according to Popplewell, and in 2001 the Swiss premiere of Jack Jacquin's "Der Mord zum Sonntag" on Gastspieltheater Zürich where Schaeppi starred in the lead role.
Celebrating her 75th anniversary, Ursula Schaeppi announced to focus finally, at the request of a group of seniors, increasingly on theater productions with their peers because "many of the existing plays are just too dull".
In 1998 on Swiss television SRF Schaeppi talked about her depression to which she suffered after seven friends died within a short period; it was accompanied by a career slump, and she stepped back public appearance.