- Director: Isadore Freleng
- Screenwriter: Warren Foster
- Animators: Art Davis, Virgil Ross, and Gerry Chiniquy
- Layout-artist: Hawley Pratt
- Background-artist: Boris Gorelick
- Voice-actor: Mel Blanc
- Music-recorder: Milt Franklyn
- This film-short won the 1957 Academy Award for best animated short subject. When producer Eddie Selzer died, he gave the Oscar to Mel Blanc.
- This film-short was included in The Looney Looney Looney Bugs Bunny Movie, Bugs Bunny's Easter Special, and Bugs Bunny's Thanksgiving Diet. The first of these gives the unnamed cat's name as Clarence.