14 Going on 30

A 14-year-old student who longs to be grown and pursues Miss Noble, ultimately turning himself into a 30-year-old man. His impulsive dream triggers a series of events that blur age, identity, and romance. He wrestles with the responsibilities of adulthood and the consequences of escaping adolescence.

Danny's teacher who becomes involved with Harold, then discovers Harold's true identity. She initially supports the idea of a more relaxed, fun-loving school environment, and ultimately chooses to pursue a relationship with Danny by changing her own age. Her perspective evolves as she learns the truth behind Harold.

The cold-tempered gym teacher and fiancé to Peggy, whose possessive nature and threat of physical harm create a tense dynamic. He relentlessly pursues control and seeks to uncover Harold's true identity, escalating the conflict when deception is revealed.

Danny's geeky neighbor and friend, an orphan who conducts experiments with the growth accelerator. He becomes increasingly wary of Danny's adult life and works to reverse the transformation, even as he secretly envisions his own chance at adulthood.

The persona Danny assumes as the school's new principal, whose rules emphasize fun and freedom. Harold's confident facade wins allies at the school while masking Danny's true self, until the deception risks unraveling.

The school assistant fascinated by Harold's approach, who interacts with Danny's alter ego and contributes to the unfolding deception. Her role highlights how adults can be swayed by charisma and seemingly progressive ideas.

Danny's uncaring uncle who, along with Aunt May, creates a less stable home environment. His presence helps frame Danny's desire to escape family constraints and seek a life beyond home.

Ditsy and peripheral to the main plot, Aunt May contributes to the domestic atmosphere and the sense of a mismatched home life that motivates Danny's longing for a different life.

A parental figure caught up in everyday family life, her absence during the pivotal week allows Danny's experiment to unfold without immediate oversight, underscoring the theme of growing up independently.

The family patriarch who, along with his wife, prepares to leave the house for a week, setting the stage for Danny's risky transformation and the subsequent scramble to manage the consequences.