In 1978 Krug appeared as one of the male leads of the action-drama television series Auf Achse, and would continue to appear on the series until 1995, one year before the show ended its long run. Krug's various television roles even included a two-year stint on the children's program Sesamstraße, the German version of the American children's program Sesame Street.

In 1978 Krug appeared as one of the male leads of the action-drama television series Auf Achse, and would continue to appear on the series until 1995, one year before the show ended its long run. Krug's various television roles even included a two-year stint on the children's program Sesamstraße, the German version of the American children's program Sesame Street.