Tom is on the canals of Venice, singing opera. He ends up on a cruise ship, where another cat tricks him out of Jerry (who Tom has just caught), then mirrors his every move. Eventually the cats start chasing each other.
Unfortunately the movie Cat and Dupli-cat is not yet available on HBO Max.
| Directing | Chuck Jones | Director |
| Visual Effects | Ken Harris | Animation |
| Writing | Michael Maltese | Story |
| Production | Les Goldman | Production Supervisor |
| Production | Chuck Jones | Producer |
| Visual Effects | Don Towsley | Animation |
| Art | Philip DeGuard | Background Designer |
| Sound | Eugene Poddany | Music |
| Writing | Chuck Jones | Story |
| Visual Effects | Richard Thompson | Animation |
| Production | Earl Jonas | Production Manager |
| Visual Effects | Ben Washam | Animation |
| Visual Effects | Tom Ray | Animation |
| Directing | Maurice Noble | Co-Director |
