Originally a plastic toy, Little Bear is an Iroquois chief's son and warrior from the 1700s whom Omri brings to life. He must collaborate with Omri to adjust to his new environment while navigating the dynamics with Boone.

Omri's best friend who becomes overly excited about the living toy figures, leading to trouble. His actions often demonstrate the risks of irresponsibility with the cupboard's powers.

A cowboy from 1889 transported into toy form, Boone initially harbors prejudice against Little Bear. His character development explores overcoming biases through understanding.

A World War I medic who briefly comes to life to assist with medical needs. He embodies bravery and English spirit through his life-saving actions.

A female figurine brought to life by the cupboard to be Little Bear's partner, fulfilling his wish for companionship. Her arrival provides resolution and a sense of future happiness.

The school headmaster who poses as a threat to the secret of the tiny figures. His character represents the authority figure that the boys must cautiously navigate around.

Omri's middle brother who indirectly helps set the story in motion by gifting Omri the cupboard. His pet rat incident creates tension and challenges for Omri.

Omri’s older brother, who unknowingly poses a risk to Omri’s secret about the cupboard. His actions heighten the story’s tension by complicating Omri's plans.

The owner of the local news agent and toy shop who suspects Omri of theft. His interactions with the boys add to the list of challenges they must overcome to protect the living toys.