Man's best friend is the subject of a series of blackout gags, climaxing with the bogus heroism of a dog who travels across the country for an unexpected purpose.
| Actor | Role |
|---|---|
 Mel BlancVarious Dogs (voice) | Various Dogs (voice) |
 Robert C. BruceNarrator (voice) | Narrator (voice) |
 Mary Jane CroftVarious (voice) | Various (voice) |
 June ForayBasset Hound (voice) | Basset Hound (voice) |