Directed by
| Tex Avery | ||
Writing Credits
| Rich Hogan | ... | (story) & |
| Jack Cosgriff | ... | (story) |
Cast complete, awaiting verification
| Tex Avery | ... | Speedy (voice) (uncredited) | |
| Sara Berner | ... | Operator (voice) (uncredited) | |
| William Hanna | ... | Speedy's Scream (voice) (uncredited) | |
 |
Pat McGeehan | ... | Speedy's Owner (voice) (uncredited) |
Produced by
| William Hanna | ... | co-producer (uncredited) |
| Fred Quimby | ... | producer |
Music by
| Scott Bradley | ||
Editing by
| Fred MacAlpin | ... | (uncredited) |
Production Management
| Carman Maxwell | ... | production manager (uncredited) |
Sound Department
| Fred MacAlpin | ... | sound effects editor (uncredited) |
Animation Department
| Robert Cannon | ... | animator (as Bob Cannon) |
| Walt Clinton | ... | animator (as Walter Clinton) |
| Michael Lah | ... | animator |
| Grant Simmons | ... | animator |
| Gene Hazelton | ... | character designer (uncredited) / layout artist (uncredited) |
Music Department
| Scott Bradley | ... | musical director (uncredited) |
