Adult Danny O'Neil / Harold Forndexter (as Steve Eckholdt)
Peggy Noble
Lloyd Duffy
Danny O'Neil (as Gabey Olds)
Aunt May
Actor in Black and White Movie
Uncle Herb
Miss Horton
Real Harold Forndexter
Principal John Loonies
Roy 'Jackjaw' Kelton
Danny's Mom
Danny's Dad
Mr. Thomby
Mr. Lloyd
Student #2
Beefy Jock (as David Cobb)
Police Officer
Young Peggy
Host
Odemeyer
Waiter (as Milt Jamin)
Nagel
Student #1
Desk Sergeant
Maitre d' #2
Maitre d' #1
Student #3
The Master Blasters