| Jack McCallister | |
| Name: | Jack McCallister |
| Portrayer: | Max Burkholder |
| Gender: | Male |
| Age: | Between 10 and 13 |
| Occupation: | schoolboy |
| Family: | Robert McCallister - Father Courtney McCallister - Mother |
| Nationality: | American |
Jack is the son of Robert McCallister and his former wife, Courtney.