Kit: Have you ever heard dad introduce us? "This is our daughter Dottie and this is our other daughter, Dottie's sister." They should've just had you and bought a dog.
After the Peaches are introduced at their first game, they run onto the field. If you watch the background carefully, Rosie O'Donnell clearly trips over a production wire.
Betty Spaghetti is played by director Penny Marshall's daughter, Tracy Reiner. Walter Harvey is played by the director's brother, Gary Marshall.