Isabella Mostert is a South African actress, director and vocal coach best known for her starring role as Liefie in the television drama series Arende, from 1992-1993.
Isabella started acting at the age of 16 and immediately came into the foreground by winning the nationwide ATKV competition as best supporting actress, followed the next year by winning the best actress award.
While doing her post graduation acting diploma she received critical acclaim for her role as Anna in the highly acclaimed film Ek, Anna Van Wyk, in 1984.
After completing her studies she joined PACOFS as a member of their permanent acting company for a couple of years. While free lancing for CAPAB she was performing in productions like Ibsen's Spoke, 1990 winner of the AA Vita award for best production.
She made her début on TV in the award-winning series Arende. She was nominated for an Artes award for best supporting actress in 1993 and played Lilley in the acclaimed Puppet Masters, which won the 1993 Artes best drama series for CCV.
Other television series and soaps she has acted in include Sonkring, The Game, Backstage, 7de Laan, Egoli, Getroud met Rugby, Binnelanders and Feast of the Uninvited. She also played the role of Gloria in the 2008 SABC2 mini-series Huis van Liefde.
She has also featured in the films Henley–on-Klip, Roepman and Stargazer. In addition, she was casting director and dialogue coach for the SABC1 drama series Mtunzini.com, in 2006.
In 2011 she had a guest starring role as Mrs. Fourie in the SABC1 drama series Fallen.