Marissa and Eric encourage their young son with autism, who is determined to set a Guinness World Record — and has the chance to do so on Christmas Eve.
| Actor | Role |
|---|---|
 Nikki DeLoachMarissa Parsons | Marissa Parsons |
 April TelekJane | Jane |
 Lucas BryantEric Parsons | Eric Parsons |
 Matt HamiltonPeter | Peter |
 Alison WandzuraOphelia Bennett | Ophelia Bennett |
 Daphne HoskinsAmy | Amy |
 Aias DalmanCharlie Parsons | Charlie Parsons |