Scenes showing Thomasina will show an orange classic tabby and then an orange tiger tabby in another. These are two different styles of tabby cats.

In the scene at the circus where Lori goes to check on the abused animals, there is a man riding a horse in a ring. At first the horse is white. Later the same horse is gray spotted.

When Andrew McDhui comes to help the guide dog Bruce after he was hit by a car, a female extra can be seen in the background sporting a 1960s "beehive" hairstyle. The film takes place in 1912.

At the beginning of the movie when Thomasina is running down the street, we can see briefly the camera's shadow in the bottom left corner.