Danny O'Neil — 14 Going on 30 Character Profile

About Danny O'Neil

A 14-year-old student hopelessly in love with his teacher, Miss Peggy Noble. Frustrated by her engagement to a strict gym teacher, he secretly uses Lloyd's growth machine to become a 30-year-old man, embarking on a journey to win her affection and navigate adult life while concealing his secret.

Character Facts

Played by

Gabriel Olds

Appears in

14 Going on 30 (1988)

Role

Supporting

Relationships (3)

• Danny O'Neil — Temporal Past Self — Adult Danny O'Neil / Harold Forndexter (Steven Eckholdt)

  Danny transforms into an adult version of himself to pursue his teacher.

• Danny O'Neil — Romantic Love Interest — Peggy Noble (Daphne Ashbrook)

  Peggy discovers Danny's true identity and reciprocates his feelings.

• Danny O'Neil — Social Best Friend — Lloyd Duffy (Adam Carl)

  Longtime friends connected by proximity and shared interests.

Explore the full interactive character relationship map of 14 Going on 30

More characters from 14 Going on 30

• Adult Danny O'Neil / Harold Forndexter (Steven Eckholdt)
• Peggy Noble (Daphne Ashbrook)
• Lloyd Duffy (Adam Carl)
• Roy «Jackjaw» Kelton (Rick Rossovich)
• Aunt May (Irene Tedrow)
• Actor in Black and White Movie (Patrick Duffy)
• Newscaster (David Hess)
• Beefy Jock (David C. Cobb)
• Police Officer (Debbie Evans)
• Waiter (Richard Barnes)
• Odemeyer (Rachel Jacobs)
• Young Peggy (Amy Hathaway)