Sean Astin character Mikey Walsh
Josh Brolin character Brand Walsh
Jeff Cohen character Lawrence "Chunk" Cohen
Corey Feldman character Clark "Mouth" Devereaux
Kerri Green character Andy Carmichael
Martha Plimpton character Stephanie "Stef" Steinbrenner
Jonathan Ke Quan character Richard "Data" Wang
John Matuszak character Sloth
Robert Davi character Jake Fratelli
Joe Pantoliano character Francis Fratelli
Anne Ramsey character Mama Fratelli
Lupe Ontiveros character Rosalita
Mary Ellen Trainor character Mrs. Walsh
Keith Walker character Mr. Walsh
Curtis Hanson character Mr. Perkins
Steve Antin character Troy
Paul Tuerpe character Sheriff
George Robotham character Prison Guard
Charles McDaniel character Chunk's Father
Elaine Cohen McMahon character Chunk's Mother
Michael Paul Chan character Data's Father
George Nicholas McLean character Mouth's Father
Bill Bradley character Bill
Jeb Stuart Adams character Troy's Friend #1
Eric Briant Wells character Troy's Friend #2
Gene Ross character Man in Shower #1
Max Segar character Man in Shower #2
Newt Arnold character Man in Shower #3
Jack O'Leary character Reporter #1
Patrick Cameron character Reporter #2
Orwin C. Harvey character Tennis Player
Ted Grossman character FBI Man
Richard Donner character Policeman (uncredited)
Eydie Faye character Eydie - Chunk's Older Sister (uncredited)
Rick Kuhn character Parent #3 (uncredited)
Cyndi Lauper character Cyndi Lauper (uncredited)
Jennie Lew Tugend character Mrs. Wang (uncredited)
Lisa Quan character Data's Sister (uncredited)
