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