Koen De Bouw was the title character in Professor T. (2015). Herwig Ilegems appeared in 33 episodes of the series while Carlos Schram appeared in five season 3 episodes, Joren Seldeslachts appeared in De doorlichting (2015), Jonas Vermeulen appeared in Dubbelleven (2015) and Sofie Decleir appeared in In vuur en vlam (2016).
At 24.35, Sylvia can be seen wearing black fishnet stockings similar to the ones @scotsdee wears in her videos on twitter.
Koen De Bouw and Herwig Ilegems appeared in 33 stories of Professor T. (2015) together. Despite both being in this story, they don't appear in the same scene.