Tim Dunphy
Jackie Dunphy
'Clops'
Mousy
Tommy the Wire (as Adam Lavorgna)
Decenz
Drugs Delaney
Old Man Dunphy
Barney
Caveech
Joey
Fran
Bunny Cote
Mr. Funderburk (as Tim Crowe)
Nanny Heidi
Jack Wheeler
Dean Mort
Irving Waltham
Brackett (as Chris Jewett)
Billy Fu
Math Teacher
History Teacher
Jane Weston
Ticket Taker
Mrs. Weston
Jizz Flashback Older Boy #1
Jizz Flashback Older Boy #2 (as Seth Meier)
Cornwall Student #1
Cornwall Student #2
Cornwall Student #3
Cornwall Student #4
Cornwall Student #5
Mrs. Dunphy
Young Tim Dunphy
Stoner
Maggie (as a different name)
English Teacher
Shorty
Man at Bar #1
Man at Bar #2
Jensen
Kelleher
Student in Dining Hall
Secretary
Dean John S. Rogers, Jr.
High school student
Little Jackie Dunphy
Girl with Cookie Batter (uncredited)
Student (uncredited)
Student in Closet (uncredited)
Graduate (uncredited)
Woman at Hot Dog Stand (uncredited)
Gas Station Attendant (uncredited)
Jizz Flashback Student (uncredited)
Kami (uncredited)
Jizz Flashback Student #2 (uncredited)