Danny is hopelessly in love with his teacher Peggy Noble. Of course she doesn't even notice him while she plans to marry the obnoxious coach Roy "Jack-jaw" Kelton. When Danny's friend Lloyd invents a growth accelerator for fruit and vegetables to "solve world hunger", Danny uses it on himself and as an adult tries to show her Roy's real personality. However at his first appearance at school as an adult, he's mistaken for someone else...
as Adult Danny O'Neil / Harold Forndexter
as Peggy Noble
as Lloyd Duffy
as Danny O'Neil
as Aunt May
as Actor in Black and White Movie
as Uncle Herb
as Miss Horton
as Real Harold Forndexter
as Principal John Loonies
as Roy «Jackjaw» Kelton
as Danny's Mom
as Danny's Dad
as Mr. Thomby
as Mr. Lloyd
as Young Peggy
as Beefy Jock
as Police Officer
as Newscaster
as Odemeyer
as Waiter
as Nagel
