Born in Berne, actress Franziska Kahl has worked mostly for stage (with such producers as M. Mani, L. Aubert, C. Stratz, H. Loichemol, J. Brassat, M. Barras, A. Godel, J-C Perrin, P. Hottier, R. Rochette, L, Mani, J. Planex, Maître Hyvernaux, P. Biner, B. Perregaux, A. Bisang...).

In 1987, she has taken part in the creation of the Fondation des femmes de théâtre (Women's Theatrical Foundation).

Before Deux, she has appeared in Denis Rabaglia's Michu (1992, as Jeanne).