 In honor of the film Reefer Madness (1936), there are several joke credits  for cast and crew members of that film. The are as follows: Louis J.  Gasnier (director) is credited as line producer, George A. Hirliman  (producer) as unit production manager, Arthur Hoerl (screenwriter) as  assistant director, and Dave OBrien, Kenneth Craig and Dorothy Short (cast  members) as set decorator, art director and production designer  respectively.