David Greene
Charlie Dillon
Chris Reece
Rip Van Kelt
'Mack' McGivern
Jack Connors
Chesty Smith
Richard 'McGoo' Collins
Sally Wheeler
Headmaster Dr. Bartram
Mr. Cleary
Coach McDevitt
Mr. Gierasch
Alan Greene
Chaplain
Grayson Dillon
Jane Dillon
Gray Dillon
Bear
Nick (as Rick Rodgers)
Kocus
Weezer
Mr. Wheeler
Mrs. Wheeler
Tom Keating
Sarah Greene
Petey Greene
Miller
Keller
Rick
Emile
Jack
Donald
Boy #1 (as James Quinn)
Boy #2
Swanson
Winchester Headmaster
Mary Ellen
Joyce
Don
Edie
Cal Reynolds
Chaperone
Boy in Shower (as Thomas Rhett Kee)
Swimming Coach
Boy in Dining Room
Announcer
Stand-In / Sudent
Senior Student (uncredited)
Ambulance Attendant (uncredited)
Cheerleader / Actor (uncredited)
Alumnus (uncredited)
Student at Dance (uncredited)
Football Player (uncredited)
Mechanic in Diner (uncredited)
Student (uncredited)
Prep School Student (uncredited)
Radio Man (uncredited)
Motorcycle Gang Member (uncredited)
Basketball Player at School Dance (uncredited)
Boy #3 (uncredited)
Biker (uncredited)
Scranton Pennsylvania Teen (uncredited)
Football player white jersey blue helmet (archive footage) (uncredited)
Radar Operator (uncredited)