* ActorAllusion / CastingGag: Creator/JamesEarlJones as Mr. Mertle, since he'd also starred in ''Film/FieldOfDreams'', another iconic baseball movie.
* AllThereInTheManual: The script reveals that the treehouse the gang hangs out in belongs to Timmy and Tommy.
* HeyItsThatGuy: Creator/JamesEarlJones plays Mr. Mertle. Creator/DenisLeary plays Scott's stepfather. MarleyShelton is the lifeguard.
** Scott's mother is [[Franchise/IndianaJones Marion Ravenwood]].
* PlayingAgainstType: A light-hearted meta-example; Smalls' stepfather is a Yankees fan, while Dennis Leary, who plays him, is a long-time Red Sox fan.
* RealLifeRelative: The actor who played the elder Benny is the brother of the actor who played the young Benny.