Cast & crew
Pre-Hysterical Man (1948)
Directed by Seymour Kneitel Written by Jack Mercer, Carl Meyer
Cast
| Jack Mercer | Caveman |
| Mae Questel | (uncredited) |
Crew
| Sam Buchwald | Associate Producer |
| Seymour Kneitel | Director |
| Jack Mercer | Story |
| Seymour Kneitel | Producer |
| Winston Sharples | Original Music Composer |
| Izzy Sparber | Producer |
| Carl Meyer | Story |