Roderick Thorp

Scenariul:

1. 1. Detectivul (1968), film
   ...
   (novel)
2. 2. Greu de ucis (1988), film
   ...
   (based on the novel by)
3. 3. Greu de ucis 2 (1990), film
   ...
   (certain original characters by)
4. 4. Devlin (1992), film
5. 5. Greu de ucis 3 (1995), film
   ...
   (certain original characters by)
6. 6. Greu de ucis 4 (2007), film
   ...
   (certain original character by)
7. 7. Și mai greu de ucis (2013), film
   ...
   (certain original characters by)