An American Tail: The Treasure of Manhattan Island

Tony Toponi, from An American Tail (1986), returns as a principal cast in this film and An American Tail: The Mystery of the Night Monster (1999), which he was known as a fan favorite, but without Bridget. Tony's role was limited as a background cameo in An American Tail: Fievel Goes West (1991) and was absent in Fievel's Adventures in the West (1992) because of Pat Musick's acting difficulties during those periods.

In Fievel's Adventures in the West (1992), Papa Mousekewitz's first name is revealed to be Bernard. But in this movie, his first name is seldom mentioned, such as in one scene after Mr. Grasping asked him for his name and Papa mentioned and is referred to his last name. The reason for this is currently unknown.

On the singalong version of "Anywhere In Your Dreams", the sound effects and Tony's shouting are muted out.