 Singer turned to directing a decade later with the film "A Cold Wind in August".Although he directed other movies, such as the Lee Van Cleef western "Captain Apache" (1971), and "Glass Houses" (1972), an adaptation of a book that his wife Judith Singer wrote, the bulk of Singer's credits are in television.The long list of series to which Singer has lent his directorial talents include "Dr. Kildare", "The F.B.I.