• Sean Astin - Mikey Walsh
• Josh Brolin - Brand Walsh
• Jeff Cohen - Lawrence 'Chunk' Cohen
• Corey Feldman - Clark 'Mouth' Devereaux
• Kerri Green - Andy Carmichael
• Martha Plimpton - Stef Steinbrenner
• Jonathan Ke Quan - Richard 'Data' Wang (as Ke Huy Quan)
• John Matuszak - Lotney 'Sloth' Fratelli
• Robert Davi - Jake Fratelli
• Joe Pantoliano - Francis Fratelli
• Anne Ramsey - Mama Fratelli
• Lupe Ontiveros - Rosalita
• Mary Ellen Trainor - Harriet Walsh
• Keith Walker - Irving Walsh
• Curtis Hanson - Elgin Perkins
• Steve Antin - Troy Perkins
• Paul Tuerpe - Sheriff
• George Robotham - Prison Guard
• Charles McDaniel - Jerry Cohen
• Elaine Cohen McMahon - Mrs. Cohen
• Michael Paul Chan - Mr. Wang
• Nick McLean - Mr. Devereaux (as George Nicholas McLean)