Cast & crew
Blue Monday (1938)
Directed by William Hanna
Cast
| Billy Bletcher | (uncredited) |
| Martha Wentworth | (uncredited) |
| Martha Wentworth | (uncredited) |
| Billy Bletcher | (uncredited) |
Crew
| George Gordon | Animation |
| William Hanna | Director |
| Jack Chertok | Co-Producer |
| Ray Abrams | Animation |
| Fred Quimby | Producer |
| Jack Zander | Animation |
| Jack Chertok | Co-Producer |
| William Hanna | Director |
| Fred Quimby | Producer |
| Jack Zander | Animation |
| Bert Lewis | Music |
| Scott Bradley | Music |
| Scott Bradley | Music |
| Bert Lewis | Music |
| Ray Abrams | Animation |
| George Gordon | Animation |