Heck Allen

Sceneggiatura:

1. 1. The Bear and the Beavers (1942), serie
   ...
   (story) (uncredited)
2. 2. Gli implacabili (1955), film
   ...
   (from the novel by)
3. 3. Satank, la freccia che uccide (1955), film
   ...
   (based on Esquire Magazine story by)
4. 4. I pilastri del cielo (1956), film
   ...
   (novel)
5. 5. La guida indiana (1959), film
   ...
   (from the book by)
6. 6. 7 volontari dal Texas (1968), film
   ...
   (novel)
7. 7. L'oro di Mackenna (1969), film
   ...
   (novel)
8. 8. Appuntamento per una vendetta (1969), film
   ...
   (novel)
9. 9. Duello tra i ghiacci (1996), film
   ...
   (novel)