Who's a Dummy? (1941) — Cast
Cast
| Leon Errol | Errol |
| Vivian Tobin | Errol |
| Herb Vigran | |
| Dorothy Granger | |
| Eddie Kane | |
| Ralph Sanford | |
| Harry Harvey |
Crew
| Harry D'Arcy | Director |
| George Jeske | Story |
| Clem Beauchamp | Story |
| Leon Errol | Errol |
| Vivian Tobin | Errol |
| Herb Vigran | |
| Dorothy Granger | |
| Eddie Kane | |
| Ralph Sanford | |
| Harry Harvey |
| Harry D'Arcy | Director |
| George Jeske | Story |
| Clem Beauchamp | Story |