When it comes to Derek Riddell’s career highlights, one name that consistently stands out is A Previous Engagement from 2008—it’s widely regarded as Derek Riddell’s highest rated film to date. Fans and critics alike have praised his performance in this movie, making it a standout moment in his body of work. On the other hand, when we look at the lower end of the spectrum, Twenty8k (2012) tends to come up as Derek Riddell’s least acclaimed project. While every actor has their ups and downs, it’s interesting to see how different roles shape public perception. Still, Derek Riddell continues to be a respected figure in the industry, with A Previous Engagement remaining a personal best in his filmography.